Merge release-20210419.0-35-gf54d87b9e (automated)

6 files changed, 3134 insertions, 5 deletions

diff --git a/pkg/abi/linux/linux_abi_autogen_unsafe.go b/pkg/abi/linux/linux_abi_autogen_unsafe.go
index 346b3bdef..4a267d833 100644
--- a/pkg/abi/linux/linux_abi_autogen_unsafe.go
+++ b/pkg/abi/linux/linux_abi_autogen_unsafe.go
@@ -24,7 +24,10 @@ var _ marshal.Marshallable = (*CapUserData)(nil)
 var _ marshal.Marshallable = (*CapUserHeader)(nil)
 var _ marshal.Marshallable = (*ClockT)(nil)
 var _ marshal.Marshallable = (*ControlMessageCredentials)(nil)
+var _ marshal.Marshallable = (*ControlMessageHeader)(nil)
+var _ marshal.Marshallable = (*ControlMessageIPPacketInfo)(nil)
 var _ marshal.Marshallable = (*DigestMetadata)(nil)
+var _ marshal.Marshallable = (*ErrorName)(nil)
 var _ marshal.Marshallable = (*ExtensionName)(nil)
 var _ marshal.Marshallable = (*FOwnerEx)(nil)
 var _ marshal.Marshallable = (*FUSEAttr)(nil)
@@ -61,8 +64,15 @@ var _ marshal.Marshallable = (*IPTEntry)(nil)
 var _ marshal.Marshallable = (*IPTGetEntries)(nil)
 var _ marshal.Marshallable = (*IPTGetinfo)(nil)
 var _ marshal.Marshallable = (*IPTIP)(nil)
+var _ marshal.Marshallable = (*IPTOwnerInfo)(nil)
+var _ marshal.Marshallable = (*IPTReplace)(nil)
 var _ marshal.Marshallable = (*Inet6Addr)(nil)
+var _ marshal.Marshallable = (*Inet6MulticastRequest)(nil)
 var _ marshal.Marshallable = (*InetAddr)(nil)
+var _ marshal.Marshallable = (*InetMulticastRequest)(nil)
+var _ marshal.Marshallable = (*InetMulticastRequestWithNIC)(nil)
+var _ marshal.Marshallable = (*InterfaceAddrMessage)(nil)
+var _ marshal.Marshallable = (*InterfaceInfoMessage)(nil)
 var _ marshal.Marshallable = (*ItimerVal)(nil)
 var _ marshal.Marshallable = (*Itimerspec)(nil)
 var _ marshal.Marshallable = (*KernelIP6TEntry)(nil)
@@ -70,10 +80,17 @@ var _ marshal.Marshallable = (*KernelIP6TGetEntries)(nil)
 var _ marshal.Marshallable = (*KernelIPTEntry)(nil)
 var _ marshal.Marshallable = (*KernelIPTGetEntries)(nil)
 var _ marshal.Marshallable = (*Linger)(nil)
+var _ marshal.Marshallable = (*NFNATRange)(nil)
+var _ marshal.Marshallable = (*NetlinkAttrHeader)(nil)
+var _ marshal.Marshallable = (*NetlinkErrorMessage)(nil)
+var _ marshal.Marshallable = (*NetlinkMessageHeader)(nil)
+var _ marshal.Marshallable = (*NfNATIPV4MultiRangeCompat)(nil)
+var _ marshal.Marshallable = (*NfNATIPV4Range)(nil)
 var _ marshal.Marshallable = (*NumaPolicy)(nil)
 var _ marshal.Marshallable = (*PollFD)(nil)
 var _ marshal.Marshallable = (*RSeqCriticalSection)(nil)
 var _ marshal.Marshallable = (*RobustListHead)(nil)
+var _ marshal.Marshallable = (*RouteMessage)(nil)
 var _ marshal.Marshallable = (*Rusage)(nil)
 var _ marshal.Marshallable = (*SeccompData)(nil)
 var _ marshal.Marshallable = (*SemInfo)(nil)
@@ -109,7 +126,15 @@ var _ marshal.Marshallable = (*UtsName)(nil)
 var _ marshal.Marshallable = (*WindowSize)(nil)
 var _ marshal.Marshallable = (*Winsize)(nil)
 var _ marshal.Marshallable = (*XTCounters)(nil)
+var _ marshal.Marshallable = (*XTEntryMatch)(nil)
+var _ marshal.Marshallable = (*XTEntryTarget)(nil)
+var _ marshal.Marshallable = (*XTErrorTarget)(nil)
 var _ marshal.Marshallable = (*XTGetRevision)(nil)
+var _ marshal.Marshallable = (*XTRedirectTarget)(nil)
+var _ marshal.Marshallable = (*XTSNATTarget)(nil)
+var _ marshal.Marshallable = (*XTStandardTarget)(nil)
+var _ marshal.Marshallable = (*XTTCP)(nil)
+var _ marshal.Marshallable = (*XTUDP)(nil)
 
 // SizeBytes implements marshal.Marshallable.SizeBytes.
 func (i *IOCallback) SizeBytes() int {
@@ -4839,6 +4864,101 @@ func (ifr *IFReq) WriteTo(writer io.Writer) (int64, error) {
 
 // SizeBytes implements marshal.Marshallable.SizeBytes.
 //go:nosplit
+func (en *ErrorName) SizeBytes() int {
+    return 1 * XT_FUNCTION_MAXNAMELEN
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (en *ErrorName) MarshalBytes(dst []byte) {
+    for idx := 0; idx < XT_FUNCTION_MAXNAMELEN; idx++ {
+        dst[0] = byte(en[idx])
+        dst = dst[1:]
+    }
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (en *ErrorName) UnmarshalBytes(src []byte) {
+    for idx := 0; idx < XT_FUNCTION_MAXNAMELEN; idx++ {
+        en[idx] = src[0]
+        src = src[1:]
+    }
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (en *ErrorName) Packed() bool {
+    // Array newtypes are always packed.
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (en *ErrorName) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&en[0]), uintptr(en.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (en *ErrorName) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(en), unsafe.Pointer(&src[0]), uintptr(en.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (en *ErrorName) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(en)))
+    hdr.Len = en.SizeBytes()
+    hdr.Cap = en.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that en
+    // must live until the use above.
+    runtime.KeepAlive(en) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (en *ErrorName) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return en.CopyOutN(cc, addr, en.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (en *ErrorName) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(en)))
+    hdr.Len = en.SizeBytes()
+    hdr.Cap = en.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that en
+    // must live until the use above.
+    runtime.KeepAlive(en) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (en *ErrorName) WriteTo(w io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(en)))
+    hdr.Len = en.SizeBytes()
+    hdr.Cap = en.SizeBytes()
+
+    length, err := w.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that en
+    // must live until the use above.
+    runtime.KeepAlive(en) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+//go:nosplit
 func (en *ExtensionName) SizeBytes() int {
     return 1 * XT_EXTENSION_MAXNAMELEN
 }
@@ -5555,6 +5675,269 @@ func (i *IPTIP) WriteTo(writer io.Writer) (int64, error) {
     return int64(length), err
 }
 
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (i *IPTOwnerInfo) SizeBytes() int {
+    return 18 +
+        1*16
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *IPTOwnerInfo) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.UID))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.GID))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.PID))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.SID))
+    dst = dst[4:]
+    for idx := 0; idx < 16; idx++ {
+        dst[0] = byte(i.Comm[idx])
+        dst = dst[1:]
+    }
+    dst[0] = byte(i.Match)
+    dst = dst[1:]
+    dst[0] = byte(i.Invert)
+    dst = dst[1:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *IPTOwnerInfo) UnmarshalBytes(src []byte) {
+    i.UID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.GID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.PID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.SID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    for idx := 0; idx < 16; idx++ {
+        i.Comm[idx] = src[0]
+        src = src[1:]
+    }
+    i.Match = uint8(src[0])
+    src = src[1:]
+    i.Invert = uint8(src[0])
+    src = src[1:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *IPTOwnerInfo) Packed() bool {
+    return false
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *IPTOwnerInfo) MarshalUnsafe(dst []byte) {
+    // Type IPTOwnerInfo doesn't have a packed layout in memory, fallback to MarshalBytes.
+    i.MarshalBytes(dst)
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *IPTOwnerInfo) UnmarshalUnsafe(src []byte) {
+    // Type IPTOwnerInfo doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+    i.UnmarshalBytes(src)
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *IPTOwnerInfo) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Type IPTOwnerInfo doesn't have a packed layout in memory, fall back to MarshalBytes.
+    buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+    i.MarshalBytes(buf) // escapes: fallback.
+    return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *IPTOwnerInfo) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *IPTOwnerInfo) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Type IPTOwnerInfo doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+    buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Unmarshal unconditionally. If we had a short copy-in, this results in a
+    // partially unmarshalled struct.
+    i.UnmarshalBytes(buf) // escapes: fallback.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *IPTOwnerInfo) WriteTo(writer io.Writer) (int64, error) {
+    // Type IPTOwnerInfo doesn't have a packed layout in memory, fall back to MarshalBytes.
+    buf := make([]byte, i.SizeBytes())
+    i.MarshalBytes(buf)
+    length, err := writer.Write(buf)
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (i *IPTReplace) SizeBytes() int {
+    return 24 +
+        (*TableName)(nil).SizeBytes() +
+        4*NF_INET_NUMHOOKS +
+        4*NF_INET_NUMHOOKS
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *IPTReplace) MarshalBytes(dst []byte) {
+    i.Name.MarshalBytes(dst[:i.Name.SizeBytes()])
+    dst = dst[i.Name.SizeBytes():]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.ValidHooks))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.NumEntries))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.Size))
+    dst = dst[4:]
+    for idx := 0; idx < NF_INET_NUMHOOKS; idx++ {
+        hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.HookEntry[idx]))
+        dst = dst[4:]
+    }
+    for idx := 0; idx < NF_INET_NUMHOOKS; idx++ {
+        hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.Underflow[idx]))
+        dst = dst[4:]
+    }
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.NumCounters))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(i.Counters))
+    dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *IPTReplace) UnmarshalBytes(src []byte) {
+    i.Name.UnmarshalBytes(src[:i.Name.SizeBytes()])
+    src = src[i.Name.SizeBytes():]
+    i.ValidHooks = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.NumEntries = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.Size = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    for idx := 0; idx < NF_INET_NUMHOOKS; idx++ {
+        i.HookEntry[idx] = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+        src = src[4:]
+    }
+    for idx := 0; idx < NF_INET_NUMHOOKS; idx++ {
+        i.Underflow[idx] = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+        src = src[4:]
+    }
+    i.NumCounters = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.Counters = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *IPTReplace) Packed() bool {
+    return i.Name.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *IPTReplace) MarshalUnsafe(dst []byte) {
+    if i.Name.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i),  uintptr(i.SizeBytes()))
+    } else {
+        // Type IPTReplace doesn't have a packed layout in memory, fallback to MarshalBytes.
+        i.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *IPTReplace) UnmarshalUnsafe(src []byte) {
+    if i.Name.Packed() {
+        gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(i.SizeBytes()))
+    } else {
+        // Type IPTReplace doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        i.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *IPTReplace) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !i.Name.Packed() {
+        // Type IPTReplace doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        i.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *IPTReplace) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *IPTReplace) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !i.Name.Packed() {
+        // Type IPTReplace doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        i.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *IPTReplace) WriteTo(writer io.Writer) (int64, error) {
+    if !i.Name.Packed() {
+        // Type IPTReplace doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, i.SizeBytes())
+        i.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
 // Packed implements marshal.Marshallable.Packed.
 //go:nosplit
 func (ke *KernelIPTEntry) Packed() bool {
@@ -5666,6 +6049,250 @@ func (ke *KernelIPTGetEntries) WriteTo(writer io.Writer) (int64, error) {
 }
 
 // SizeBytes implements marshal.Marshallable.SizeBytes.
+func (n *NfNATIPV4MultiRangeCompat) SizeBytes() int {
+    return 4 +
+        (*NfNATIPV4Range)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (n *NfNATIPV4MultiRangeCompat) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(n.RangeSize))
+    dst = dst[4:]
+    n.RangeIPV4.MarshalBytes(dst[:n.RangeIPV4.SizeBytes()])
+    dst = dst[n.RangeIPV4.SizeBytes():]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (n *NfNATIPV4MultiRangeCompat) UnmarshalBytes(src []byte) {
+    n.RangeSize = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    n.RangeIPV4.UnmarshalBytes(src[:n.RangeIPV4.SizeBytes()])
+    src = src[n.RangeIPV4.SizeBytes():]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (n *NfNATIPV4MultiRangeCompat) Packed() bool {
+    return n.RangeIPV4.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (n *NfNATIPV4MultiRangeCompat) MarshalUnsafe(dst []byte) {
+    if n.RangeIPV4.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(n),  uintptr(n.SizeBytes()))
+    } else {
+        // Type NfNATIPV4MultiRangeCompat doesn't have a packed layout in memory, fallback to MarshalBytes.
+        n.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (n *NfNATIPV4MultiRangeCompat) UnmarshalUnsafe(src []byte) {
+    if n.RangeIPV4.Packed() {
+        gohacks.Memmove(unsafe.Pointer(n), unsafe.Pointer(&src[0]), uintptr(n.SizeBytes()))
+    } else {
+        // Type NfNATIPV4MultiRangeCompat doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        n.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (n *NfNATIPV4MultiRangeCompat) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !n.RangeIPV4.Packed() {
+        // Type NfNATIPV4MultiRangeCompat doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(n.SizeBytes()) // escapes: okay.
+        n.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (n *NfNATIPV4MultiRangeCompat) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return n.CopyOutN(cc, addr, n.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (n *NfNATIPV4MultiRangeCompat) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !n.RangeIPV4.Packed() {
+        // Type NfNATIPV4MultiRangeCompat doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(n.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        n.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (n *NfNATIPV4MultiRangeCompat) WriteTo(writer io.Writer) (int64, error) {
+    if !n.RangeIPV4.Packed() {
+        // Type NfNATIPV4MultiRangeCompat doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, n.SizeBytes())
+        n.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (n *NfNATIPV4Range) SizeBytes() int {
+    return 8 +
+        1*4 +
+        1*4
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (n *NfNATIPV4Range) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(n.Flags))
+    dst = dst[4:]
+    for idx := 0; idx < 4; idx++ {
+        dst[0] = byte(n.MinIP[idx])
+        dst = dst[1:]
+    }
+    for idx := 0; idx < 4; idx++ {
+        dst[0] = byte(n.MaxIP[idx])
+        dst = dst[1:]
+    }
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(n.MinPort))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(n.MaxPort))
+    dst = dst[2:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (n *NfNATIPV4Range) UnmarshalBytes(src []byte) {
+    n.Flags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    for idx := 0; idx < 4; idx++ {
+        n.MinIP[idx] = src[0]
+        src = src[1:]
+    }
+    for idx := 0; idx < 4; idx++ {
+        n.MaxIP[idx] = src[0]
+        src = src[1:]
+    }
+    n.MinPort = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    n.MaxPort = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (n *NfNATIPV4Range) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (n *NfNATIPV4Range) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(n),  uintptr(n.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (n *NfNATIPV4Range) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(n), unsafe.Pointer(&src[0]), uintptr(n.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (n *NfNATIPV4Range) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (n *NfNATIPV4Range) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return n.CopyOutN(cc, addr, n.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (n *NfNATIPV4Range) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (n *NfNATIPV4Range) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
 //go:nosplit
 func (tn *TableName) SizeBytes() int {
     return 1 * XT_TABLE_MAXNAMELEN
@@ -5854,6 +6481,407 @@ func (x *XTCounters) WriteTo(writer io.Writer) (int64, error) {
 }
 
 // SizeBytes implements marshal.Marshallable.SizeBytes.
+func (x *XTEntryMatch) SizeBytes() int {
+    return 3 +
+        (*ExtensionName)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (x *XTEntryMatch) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(x.MatchSize))
+    dst = dst[2:]
+    x.Name.MarshalBytes(dst[:x.Name.SizeBytes()])
+    dst = dst[x.Name.SizeBytes():]
+    dst[0] = byte(x.Revision)
+    dst = dst[1:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (x *XTEntryMatch) UnmarshalBytes(src []byte) {
+    x.MatchSize = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    x.Name.UnmarshalBytes(src[:x.Name.SizeBytes()])
+    src = src[x.Name.SizeBytes():]
+    x.Revision = uint8(src[0])
+    src = src[1:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (x *XTEntryMatch) Packed() bool {
+    return x.Name.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (x *XTEntryMatch) MarshalUnsafe(dst []byte) {
+    if x.Name.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(x),  uintptr(x.SizeBytes()))
+    } else {
+        // Type XTEntryMatch doesn't have a packed layout in memory, fallback to MarshalBytes.
+        x.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (x *XTEntryMatch) UnmarshalUnsafe(src []byte) {
+    if x.Name.Packed() {
+        gohacks.Memmove(unsafe.Pointer(x), unsafe.Pointer(&src[0]), uintptr(x.SizeBytes()))
+    } else {
+        // Type XTEntryMatch doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        x.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (x *XTEntryMatch) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !x.Name.Packed() {
+        // Type XTEntryMatch doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(x.SizeBytes()) // escapes: okay.
+        x.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (x *XTEntryMatch) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return x.CopyOutN(cc, addr, x.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (x *XTEntryMatch) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !x.Name.Packed() {
+        // Type XTEntryMatch doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(x.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        x.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (x *XTEntryMatch) WriteTo(writer io.Writer) (int64, error) {
+    if !x.Name.Packed() {
+        // Type XTEntryMatch doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, x.SizeBytes())
+        x.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (x *XTEntryTarget) SizeBytes() int {
+    return 3 +
+        (*ExtensionName)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (x *XTEntryTarget) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(x.TargetSize))
+    dst = dst[2:]
+    x.Name.MarshalBytes(dst[:x.Name.SizeBytes()])
+    dst = dst[x.Name.SizeBytes():]
+    dst[0] = byte(x.Revision)
+    dst = dst[1:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (x *XTEntryTarget) UnmarshalBytes(src []byte) {
+    x.TargetSize = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    x.Name.UnmarshalBytes(src[:x.Name.SizeBytes()])
+    src = src[x.Name.SizeBytes():]
+    x.Revision = uint8(src[0])
+    src = src[1:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (x *XTEntryTarget) Packed() bool {
+    return x.Name.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (x *XTEntryTarget) MarshalUnsafe(dst []byte) {
+    if x.Name.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(x),  uintptr(x.SizeBytes()))
+    } else {
+        // Type XTEntryTarget doesn't have a packed layout in memory, fallback to MarshalBytes.
+        x.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (x *XTEntryTarget) UnmarshalUnsafe(src []byte) {
+    if x.Name.Packed() {
+        gohacks.Memmove(unsafe.Pointer(x), unsafe.Pointer(&src[0]), uintptr(x.SizeBytes()))
+    } else {
+        // Type XTEntryTarget doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        x.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (x *XTEntryTarget) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !x.Name.Packed() {
+        // Type XTEntryTarget doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(x.SizeBytes()) // escapes: okay.
+        x.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (x *XTEntryTarget) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return x.CopyOutN(cc, addr, x.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (x *XTEntryTarget) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !x.Name.Packed() {
+        // Type XTEntryTarget doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(x.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        x.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (x *XTEntryTarget) WriteTo(writer io.Writer) (int64, error) {
+    if !x.Name.Packed() {
+        // Type XTEntryTarget doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, x.SizeBytes())
+        x.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (x *XTErrorTarget) SizeBytes() int {
+    return 0 +
+        (*XTEntryTarget)(nil).SizeBytes() +
+        (*ErrorName)(nil).SizeBytes() +
+        1*2
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (x *XTErrorTarget) MarshalBytes(dst []byte) {
+    x.Target.MarshalBytes(dst[:x.Target.SizeBytes()])
+    dst = dst[x.Target.SizeBytes():]
+    x.Name.MarshalBytes(dst[:x.Name.SizeBytes()])
+    dst = dst[x.Name.SizeBytes():]
+    // Padding: dst[:sizeof(byte)*2] ~= [2]byte{0}
+    dst = dst[1*(2):]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (x *XTErrorTarget) UnmarshalBytes(src []byte) {
+    x.Target.UnmarshalBytes(src[:x.Target.SizeBytes()])
+    src = src[x.Target.SizeBytes():]
+    x.Name.UnmarshalBytes(src[:x.Name.SizeBytes()])
+    src = src[x.Name.SizeBytes():]
+    // Padding: ~ copy([2]byte(x._), src[:sizeof(byte)*2])
+    src = src[1*(2):]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (x *XTErrorTarget) Packed() bool {
+    return x.Name.Packed() && x.Target.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (x *XTErrorTarget) MarshalUnsafe(dst []byte) {
+    if x.Name.Packed() && x.Target.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(x),  uintptr(x.SizeBytes()))
+    } else {
+        // Type XTErrorTarget doesn't have a packed layout in memory, fallback to MarshalBytes.
+        x.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (x *XTErrorTarget) UnmarshalUnsafe(src []byte) {
+    if x.Name.Packed() && x.Target.Packed() {
+        gohacks.Memmove(unsafe.Pointer(x), unsafe.Pointer(&src[0]), uintptr(x.SizeBytes()))
+    } else {
+        // Type XTErrorTarget doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        x.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (x *XTErrorTarget) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !x.Name.Packed() && x.Target.Packed() {
+        // Type XTErrorTarget doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(x.SizeBytes()) // escapes: okay.
+        x.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (x *XTErrorTarget) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return x.CopyOutN(cc, addr, x.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (x *XTErrorTarget) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !x.Name.Packed() && x.Target.Packed() {
+        // Type XTErrorTarget doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(x.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        x.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (x *XTErrorTarget) WriteTo(writer io.Writer) (int64, error) {
+    if !x.Name.Packed() && x.Target.Packed() {
+        // Type XTErrorTarget doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, x.SizeBytes())
+        x.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
 func (x *XTGetRevision) SizeBytes() int {
     return 1 +
         (*ExtensionName)(nil).SizeBytes()
@@ -5983,6 +7011,636 @@ func (x *XTGetRevision) WriteTo(writer io.Writer) (int64, error) {
 }
 
 // SizeBytes implements marshal.Marshallable.SizeBytes.
+func (x *XTRedirectTarget) SizeBytes() int {
+    return 0 +
+        (*XTEntryTarget)(nil).SizeBytes() +
+        (*NfNATIPV4MultiRangeCompat)(nil).SizeBytes() +
+        1*4
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (x *XTRedirectTarget) MarshalBytes(dst []byte) {
+    x.Target.MarshalBytes(dst[:x.Target.SizeBytes()])
+    dst = dst[x.Target.SizeBytes():]
+    x.NfRange.MarshalBytes(dst[:x.NfRange.SizeBytes()])
+    dst = dst[x.NfRange.SizeBytes():]
+    // Padding: dst[:sizeof(byte)*4] ~= [4]byte{0}
+    dst = dst[1*(4):]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (x *XTRedirectTarget) UnmarshalBytes(src []byte) {
+    x.Target.UnmarshalBytes(src[:x.Target.SizeBytes()])
+    src = src[x.Target.SizeBytes():]
+    x.NfRange.UnmarshalBytes(src[:x.NfRange.SizeBytes()])
+    src = src[x.NfRange.SizeBytes():]
+    // Padding: ~ copy([4]byte(x._), src[:sizeof(byte)*4])
+    src = src[1*(4):]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (x *XTRedirectTarget) Packed() bool {
+    return x.NfRange.Packed() && x.Target.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (x *XTRedirectTarget) MarshalUnsafe(dst []byte) {
+    if x.NfRange.Packed() && x.Target.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(x),  uintptr(x.SizeBytes()))
+    } else {
+        // Type XTRedirectTarget doesn't have a packed layout in memory, fallback to MarshalBytes.
+        x.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (x *XTRedirectTarget) UnmarshalUnsafe(src []byte) {
+    if x.NfRange.Packed() && x.Target.Packed() {
+        gohacks.Memmove(unsafe.Pointer(x), unsafe.Pointer(&src[0]), uintptr(x.SizeBytes()))
+    } else {
+        // Type XTRedirectTarget doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        x.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (x *XTRedirectTarget) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !x.NfRange.Packed() && x.Target.Packed() {
+        // Type XTRedirectTarget doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(x.SizeBytes()) // escapes: okay.
+        x.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (x *XTRedirectTarget) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return x.CopyOutN(cc, addr, x.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (x *XTRedirectTarget) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !x.NfRange.Packed() && x.Target.Packed() {
+        // Type XTRedirectTarget doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(x.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        x.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (x *XTRedirectTarget) WriteTo(writer io.Writer) (int64, error) {
+    if !x.NfRange.Packed() && x.Target.Packed() {
+        // Type XTRedirectTarget doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, x.SizeBytes())
+        x.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (x *XTSNATTarget) SizeBytes() int {
+    return 0 +
+        (*XTEntryTarget)(nil).SizeBytes() +
+        (*NfNATIPV4MultiRangeCompat)(nil).SizeBytes() +
+        1*4
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (x *XTSNATTarget) MarshalBytes(dst []byte) {
+    x.Target.MarshalBytes(dst[:x.Target.SizeBytes()])
+    dst = dst[x.Target.SizeBytes():]
+    x.NfRange.MarshalBytes(dst[:x.NfRange.SizeBytes()])
+    dst = dst[x.NfRange.SizeBytes():]
+    // Padding: dst[:sizeof(byte)*4] ~= [4]byte{0}
+    dst = dst[1*(4):]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (x *XTSNATTarget) UnmarshalBytes(src []byte) {
+    x.Target.UnmarshalBytes(src[:x.Target.SizeBytes()])
+    src = src[x.Target.SizeBytes():]
+    x.NfRange.UnmarshalBytes(src[:x.NfRange.SizeBytes()])
+    src = src[x.NfRange.SizeBytes():]
+    // Padding: ~ copy([4]byte(x._), src[:sizeof(byte)*4])
+    src = src[1*(4):]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (x *XTSNATTarget) Packed() bool {
+    return x.NfRange.Packed() && x.Target.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (x *XTSNATTarget) MarshalUnsafe(dst []byte) {
+    if x.NfRange.Packed() && x.Target.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(x),  uintptr(x.SizeBytes()))
+    } else {
+        // Type XTSNATTarget doesn't have a packed layout in memory, fallback to MarshalBytes.
+        x.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (x *XTSNATTarget) UnmarshalUnsafe(src []byte) {
+    if x.NfRange.Packed() && x.Target.Packed() {
+        gohacks.Memmove(unsafe.Pointer(x), unsafe.Pointer(&src[0]), uintptr(x.SizeBytes()))
+    } else {
+        // Type XTSNATTarget doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        x.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (x *XTSNATTarget) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !x.NfRange.Packed() && x.Target.Packed() {
+        // Type XTSNATTarget doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(x.SizeBytes()) // escapes: okay.
+        x.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (x *XTSNATTarget) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return x.CopyOutN(cc, addr, x.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (x *XTSNATTarget) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !x.NfRange.Packed() && x.Target.Packed() {
+        // Type XTSNATTarget doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(x.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        x.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (x *XTSNATTarget) WriteTo(writer io.Writer) (int64, error) {
+    if !x.NfRange.Packed() && x.Target.Packed() {
+        // Type XTSNATTarget doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, x.SizeBytes())
+        x.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (x *XTStandardTarget) SizeBytes() int {
+    return 4 +
+        (*XTEntryTarget)(nil).SizeBytes() +
+        1*4
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (x *XTStandardTarget) MarshalBytes(dst []byte) {
+    x.Target.MarshalBytes(dst[:x.Target.SizeBytes()])
+    dst = dst[x.Target.SizeBytes():]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(x.Verdict))
+    dst = dst[4:]
+    // Padding: dst[:sizeof(byte)*4] ~= [4]byte{0}
+    dst = dst[1*(4):]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (x *XTStandardTarget) UnmarshalBytes(src []byte) {
+    x.Target.UnmarshalBytes(src[:x.Target.SizeBytes()])
+    src = src[x.Target.SizeBytes():]
+    x.Verdict = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    // Padding: ~ copy([4]byte(x._), src[:sizeof(byte)*4])
+    src = src[1*(4):]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (x *XTStandardTarget) Packed() bool {
+    return x.Target.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (x *XTStandardTarget) MarshalUnsafe(dst []byte) {
+    if x.Target.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(x),  uintptr(x.SizeBytes()))
+    } else {
+        // Type XTStandardTarget doesn't have a packed layout in memory, fallback to MarshalBytes.
+        x.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (x *XTStandardTarget) UnmarshalUnsafe(src []byte) {
+    if x.Target.Packed() {
+        gohacks.Memmove(unsafe.Pointer(x), unsafe.Pointer(&src[0]), uintptr(x.SizeBytes()))
+    } else {
+        // Type XTStandardTarget doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        x.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (x *XTStandardTarget) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !x.Target.Packed() {
+        // Type XTStandardTarget doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(x.SizeBytes()) // escapes: okay.
+        x.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (x *XTStandardTarget) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return x.CopyOutN(cc, addr, x.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (x *XTStandardTarget) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !x.Target.Packed() {
+        // Type XTStandardTarget doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(x.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        x.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (x *XTStandardTarget) WriteTo(writer io.Writer) (int64, error) {
+    if !x.Target.Packed() {
+        // Type XTStandardTarget doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, x.SizeBytes())
+        x.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (x *XTTCP) SizeBytes() int {
+    return 12
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (x *XTTCP) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(x.SourcePortStart))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(x.SourcePortEnd))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(x.DestinationPortStart))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(x.DestinationPortEnd))
+    dst = dst[2:]
+    dst[0] = byte(x.Option)
+    dst = dst[1:]
+    dst[0] = byte(x.FlagMask)
+    dst = dst[1:]
+    dst[0] = byte(x.FlagCompare)
+    dst = dst[1:]
+    dst[0] = byte(x.InverseFlags)
+    dst = dst[1:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (x *XTTCP) UnmarshalBytes(src []byte) {
+    x.SourcePortStart = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    x.SourcePortEnd = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    x.DestinationPortStart = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    x.DestinationPortEnd = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    x.Option = uint8(src[0])
+    src = src[1:]
+    x.FlagMask = uint8(src[0])
+    src = src[1:]
+    x.FlagCompare = uint8(src[0])
+    src = src[1:]
+    x.InverseFlags = uint8(src[0])
+    src = src[1:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (x *XTTCP) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (x *XTTCP) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(x),  uintptr(x.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (x *XTTCP) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(x), unsafe.Pointer(&src[0]), uintptr(x.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (x *XTTCP) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (x *XTTCP) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return x.CopyOutN(cc, addr, x.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (x *XTTCP) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (x *XTTCP) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (x *XTUDP) SizeBytes() int {
+    return 10
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (x *XTUDP) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(x.SourcePortStart))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(x.SourcePortEnd))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(x.DestinationPortStart))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(x.DestinationPortEnd))
+    dst = dst[2:]
+    dst[0] = byte(x.InverseFlags)
+    dst = dst[1:]
+    // Padding: dst[:sizeof(uint8)] ~= uint8(0)
+    dst = dst[1:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (x *XTUDP) UnmarshalBytes(src []byte) {
+    x.SourcePortStart = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    x.SourcePortEnd = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    x.DestinationPortStart = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    x.DestinationPortEnd = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    x.InverseFlags = uint8(src[0])
+    src = src[1:]
+    // Padding: var _ uint8 ~= src[:sizeof(uint8)]
+    src = src[1:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (x *XTUDP) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (x *XTUDP) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(x),  uintptr(x.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (x *XTUDP) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(x), unsafe.Pointer(&src[0]), uintptr(x.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (x *XTUDP) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (x *XTUDP) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return x.CopyOutN(cc, addr, x.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (x *XTUDP) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (x *XTUDP) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(x)))
+    hdr.Len = x.SizeBytes()
+    hdr.Cap = x.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that x
+    // must live until the use above.
+    runtime.KeepAlive(x) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
 func (i *IP6TEntry) SizeBytes() int {
     return 12 +
         (*IP6TIP)(nil).SizeBytes() +
@@ -6604,6 +8262,475 @@ func (ke *KernelIP6TGetEntries) WriteTo(writer io.Writer) (int64, error) {
 }
 
 // SizeBytes implements marshal.Marshallable.SizeBytes.
+func (n *NFNATRange) SizeBytes() int {
+    return 8 +
+        (*Inet6Addr)(nil).SizeBytes() +
+        (*Inet6Addr)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (n *NFNATRange) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(n.Flags))
+    dst = dst[4:]
+    n.MinAddr.MarshalBytes(dst[:n.MinAddr.SizeBytes()])
+    dst = dst[n.MinAddr.SizeBytes():]
+    n.MaxAddr.MarshalBytes(dst[:n.MaxAddr.SizeBytes()])
+    dst = dst[n.MaxAddr.SizeBytes():]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(n.MinProto))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(n.MaxProto))
+    dst = dst[2:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (n *NFNATRange) UnmarshalBytes(src []byte) {
+    n.Flags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    n.MinAddr.UnmarshalBytes(src[:n.MinAddr.SizeBytes()])
+    src = src[n.MinAddr.SizeBytes():]
+    n.MaxAddr.UnmarshalBytes(src[:n.MaxAddr.SizeBytes()])
+    src = src[n.MaxAddr.SizeBytes():]
+    n.MinProto = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    n.MaxProto = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (n *NFNATRange) Packed() bool {
+    return n.MaxAddr.Packed() && n.MinAddr.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (n *NFNATRange) MarshalUnsafe(dst []byte) {
+    if n.MaxAddr.Packed() && n.MinAddr.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(n),  uintptr(n.SizeBytes()))
+    } else {
+        // Type NFNATRange doesn't have a packed layout in memory, fallback to MarshalBytes.
+        n.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (n *NFNATRange) UnmarshalUnsafe(src []byte) {
+    if n.MaxAddr.Packed() && n.MinAddr.Packed() {
+        gohacks.Memmove(unsafe.Pointer(n), unsafe.Pointer(&src[0]), uintptr(n.SizeBytes()))
+    } else {
+        // Type NFNATRange doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        n.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (n *NFNATRange) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !n.MaxAddr.Packed() && n.MinAddr.Packed() {
+        // Type NFNATRange doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(n.SizeBytes()) // escapes: okay.
+        n.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (n *NFNATRange) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return n.CopyOutN(cc, addr, n.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (n *NFNATRange) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !n.MaxAddr.Packed() && n.MinAddr.Packed() {
+        // Type NFNATRange doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(n.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        n.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (n *NFNATRange) WriteTo(writer io.Writer) (int64, error) {
+    if !n.MaxAddr.Packed() && n.MinAddr.Packed() {
+        // Type NFNATRange doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, n.SizeBytes())
+        n.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (n *NetlinkAttrHeader) SizeBytes() int {
+    return 4
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (n *NetlinkAttrHeader) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(n.Length))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(n.Type))
+    dst = dst[2:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (n *NetlinkAttrHeader) UnmarshalBytes(src []byte) {
+    n.Length = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    n.Type = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (n *NetlinkAttrHeader) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (n *NetlinkAttrHeader) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(n),  uintptr(n.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (n *NetlinkAttrHeader) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(n), unsafe.Pointer(&src[0]), uintptr(n.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (n *NetlinkAttrHeader) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (n *NetlinkAttrHeader) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return n.CopyOutN(cc, addr, n.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (n *NetlinkAttrHeader) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (n *NetlinkAttrHeader) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (n *NetlinkErrorMessage) SizeBytes() int {
+    return 4 +
+        (*NetlinkMessageHeader)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (n *NetlinkErrorMessage) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(n.Error))
+    dst = dst[4:]
+    n.Header.MarshalBytes(dst[:n.Header.SizeBytes()])
+    dst = dst[n.Header.SizeBytes():]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (n *NetlinkErrorMessage) UnmarshalBytes(src []byte) {
+    n.Error = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    n.Header.UnmarshalBytes(src[:n.Header.SizeBytes()])
+    src = src[n.Header.SizeBytes():]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (n *NetlinkErrorMessage) Packed() bool {
+    return n.Header.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (n *NetlinkErrorMessage) MarshalUnsafe(dst []byte) {
+    if n.Header.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(n),  uintptr(n.SizeBytes()))
+    } else {
+        // Type NetlinkErrorMessage doesn't have a packed layout in memory, fallback to MarshalBytes.
+        n.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (n *NetlinkErrorMessage) UnmarshalUnsafe(src []byte) {
+    if n.Header.Packed() {
+        gohacks.Memmove(unsafe.Pointer(n), unsafe.Pointer(&src[0]), uintptr(n.SizeBytes()))
+    } else {
+        // Type NetlinkErrorMessage doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        n.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (n *NetlinkErrorMessage) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !n.Header.Packed() {
+        // Type NetlinkErrorMessage doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(n.SizeBytes()) // escapes: okay.
+        n.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (n *NetlinkErrorMessage) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return n.CopyOutN(cc, addr, n.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (n *NetlinkErrorMessage) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !n.Header.Packed() {
+        // Type NetlinkErrorMessage doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(n.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        n.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (n *NetlinkErrorMessage) WriteTo(writer io.Writer) (int64, error) {
+    if !n.Header.Packed() {
+        // Type NetlinkErrorMessage doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, n.SizeBytes())
+        n.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (n *NetlinkMessageHeader) SizeBytes() int {
+    return 16
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (n *NetlinkMessageHeader) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(n.Length))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(n.Type))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(n.Flags))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(n.Seq))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(n.PortID))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (n *NetlinkMessageHeader) UnmarshalBytes(src []byte) {
+    n.Length = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    n.Type = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    n.Flags = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    n.Seq = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    n.PortID = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (n *NetlinkMessageHeader) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (n *NetlinkMessageHeader) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(n),  uintptr(n.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (n *NetlinkMessageHeader) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(n), unsafe.Pointer(&src[0]), uintptr(n.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (n *NetlinkMessageHeader) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (n *NetlinkMessageHeader) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return n.CopyOutN(cc, addr, n.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (n *NetlinkMessageHeader) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (n *NetlinkMessageHeader) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(n)))
+    hdr.Len = n.SizeBytes()
+    hdr.Cap = n.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that n
+    // must live until the use above.
+    runtime.KeepAlive(n) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
 func (s *SockAddrNetlink) SizeBytes() int {
     return 12
 }
@@ -6705,6 +8832,341 @@ func (s *SockAddrNetlink) WriteTo(writer io.Writer) (int64, error) {
 }
 
 // SizeBytes implements marshal.Marshallable.SizeBytes.
+func (i *InterfaceAddrMessage) SizeBytes() int {
+    return 8
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *InterfaceAddrMessage) MarshalBytes(dst []byte) {
+    dst[0] = byte(i.Family)
+    dst = dst[1:]
+    dst[0] = byte(i.PrefixLen)
+    dst = dst[1:]
+    dst[0] = byte(i.Flags)
+    dst = dst[1:]
+    dst[0] = byte(i.Scope)
+    dst = dst[1:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.Index))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *InterfaceAddrMessage) UnmarshalBytes(src []byte) {
+    i.Family = uint8(src[0])
+    src = src[1:]
+    i.PrefixLen = uint8(src[0])
+    src = src[1:]
+    i.Flags = uint8(src[0])
+    src = src[1:]
+    i.Scope = uint8(src[0])
+    src = src[1:]
+    i.Index = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *InterfaceAddrMessage) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *InterfaceAddrMessage) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i),  uintptr(i.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *InterfaceAddrMessage) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(i.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *InterfaceAddrMessage) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *InterfaceAddrMessage) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *InterfaceAddrMessage) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *InterfaceAddrMessage) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (i *InterfaceInfoMessage) SizeBytes() int {
+    return 16
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *InterfaceInfoMessage) MarshalBytes(dst []byte) {
+    dst[0] = byte(i.Family)
+    dst = dst[1:]
+    // Padding: dst[:sizeof(uint8)] ~= uint8(0)
+    dst = dst[1:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(i.Type))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.Index))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.Flags))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.Change))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *InterfaceInfoMessage) UnmarshalBytes(src []byte) {
+    i.Family = uint8(src[0])
+    src = src[1:]
+    // Padding: var _ uint8 ~= src[:sizeof(uint8)]
+    src = src[1:]
+    i.Type = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    i.Index = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.Flags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    i.Change = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *InterfaceInfoMessage) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *InterfaceInfoMessage) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i),  uintptr(i.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *InterfaceInfoMessage) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(i.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *InterfaceInfoMessage) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *InterfaceInfoMessage) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *InterfaceInfoMessage) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *InterfaceInfoMessage) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (r *RouteMessage) SizeBytes() int {
+    return 12
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (r *RouteMessage) MarshalBytes(dst []byte) {
+    dst[0] = byte(r.Family)
+    dst = dst[1:]
+    dst[0] = byte(r.DstLen)
+    dst = dst[1:]
+    dst[0] = byte(r.SrcLen)
+    dst = dst[1:]
+    dst[0] = byte(r.TOS)
+    dst = dst[1:]
+    dst[0] = byte(r.Table)
+    dst = dst[1:]
+    dst[0] = byte(r.Protocol)
+    dst = dst[1:]
+    dst[0] = byte(r.Scope)
+    dst = dst[1:]
+    dst[0] = byte(r.Type)
+    dst = dst[1:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(r.Flags))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (r *RouteMessage) UnmarshalBytes(src []byte) {
+    r.Family = uint8(src[0])
+    src = src[1:]
+    r.DstLen = uint8(src[0])
+    src = src[1:]
+    r.SrcLen = uint8(src[0])
+    src = src[1:]
+    r.TOS = uint8(src[0])
+    src = src[1:]
+    r.Table = uint8(src[0])
+    src = src[1:]
+    r.Protocol = uint8(src[0])
+    src = src[1:]
+    r.Scope = uint8(src[0])
+    src = src[1:]
+    r.Type = uint8(src[0])
+    src = src[1:]
+    r.Flags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (r *RouteMessage) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (r *RouteMessage) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(r),  uintptr(r.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (r *RouteMessage) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(r), unsafe.Pointer(&src[0]), uintptr(r.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (r *RouteMessage) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(r)))
+    hdr.Len = r.SizeBytes()
+    hdr.Cap = r.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that r
+    // must live until the use above.
+    runtime.KeepAlive(r) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (r *RouteMessage) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return r.CopyOutN(cc, addr, r.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (r *RouteMessage) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(r)))
+    hdr.Len = r.SizeBytes()
+    hdr.Cap = r.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that r
+    // must live until the use above.
+    runtime.KeepAlive(r) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (r *RouteMessage) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(r)))
+    hdr.Len = r.SizeBytes()
+    hdr.Cap = r.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that r
+    // must live until the use above.
+    runtime.KeepAlive(r) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
 func (p *PollFD) SizeBytes() int {
     return 8
 }
@@ -8392,6 +10854,237 @@ func (c *ControlMessageCredentials) WriteTo(writer io.Writer) (int64, error) {
 }
 
 // SizeBytes implements marshal.Marshallable.SizeBytes.
+func (c *ControlMessageHeader) SizeBytes() int {
+    return 16
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (c *ControlMessageHeader) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(c.Length))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(c.Level))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(c.Type))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (c *ControlMessageHeader) UnmarshalBytes(src []byte) {
+    c.Length = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    c.Level = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    c.Type = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (c *ControlMessageHeader) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (c *ControlMessageHeader) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(c),  uintptr(c.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (c *ControlMessageHeader) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(c), unsafe.Pointer(&src[0]), uintptr(c.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (c *ControlMessageHeader) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(c)))
+    hdr.Len = c.SizeBytes()
+    hdr.Cap = c.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that c
+    // must live until the use above.
+    runtime.KeepAlive(c) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (c *ControlMessageHeader) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return c.CopyOutN(cc, addr, c.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (c *ControlMessageHeader) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(c)))
+    hdr.Len = c.SizeBytes()
+    hdr.Cap = c.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that c
+    // must live until the use above.
+    runtime.KeepAlive(c) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (c *ControlMessageHeader) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(c)))
+    hdr.Len = c.SizeBytes()
+    hdr.Cap = c.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that c
+    // must live until the use above.
+    runtime.KeepAlive(c) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (c *ControlMessageIPPacketInfo) SizeBytes() int {
+    return 4 +
+        (*InetAddr)(nil).SizeBytes() +
+        (*InetAddr)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (c *ControlMessageIPPacketInfo) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(c.NIC))
+    dst = dst[4:]
+    c.LocalAddr.MarshalBytes(dst[:c.LocalAddr.SizeBytes()])
+    dst = dst[c.LocalAddr.SizeBytes():]
+    c.DestinationAddr.MarshalBytes(dst[:c.DestinationAddr.SizeBytes()])
+    dst = dst[c.DestinationAddr.SizeBytes():]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (c *ControlMessageIPPacketInfo) UnmarshalBytes(src []byte) {
+    c.NIC = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    c.LocalAddr.UnmarshalBytes(src[:c.LocalAddr.SizeBytes()])
+    src = src[c.LocalAddr.SizeBytes():]
+    c.DestinationAddr.UnmarshalBytes(src[:c.DestinationAddr.SizeBytes()])
+    src = src[c.DestinationAddr.SizeBytes():]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (c *ControlMessageIPPacketInfo) Packed() bool {
+    return c.DestinationAddr.Packed() && c.LocalAddr.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (c *ControlMessageIPPacketInfo) MarshalUnsafe(dst []byte) {
+    if c.DestinationAddr.Packed() && c.LocalAddr.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(c),  uintptr(c.SizeBytes()))
+    } else {
+        // Type ControlMessageIPPacketInfo doesn't have a packed layout in memory, fallback to MarshalBytes.
+        c.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (c *ControlMessageIPPacketInfo) UnmarshalUnsafe(src []byte) {
+    if c.DestinationAddr.Packed() && c.LocalAddr.Packed() {
+        gohacks.Memmove(unsafe.Pointer(c), unsafe.Pointer(&src[0]), uintptr(c.SizeBytes()))
+    } else {
+        // Type ControlMessageIPPacketInfo doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        c.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (c *ControlMessageIPPacketInfo) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !c.DestinationAddr.Packed() && c.LocalAddr.Packed() {
+        // Type ControlMessageIPPacketInfo doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(c.SizeBytes()) // escapes: okay.
+        c.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(c)))
+    hdr.Len = c.SizeBytes()
+    hdr.Cap = c.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that c
+    // must live until the use above.
+    runtime.KeepAlive(c) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (c *ControlMessageIPPacketInfo) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return c.CopyOutN(cc, addr, c.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (c *ControlMessageIPPacketInfo) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !c.DestinationAddr.Packed() && c.LocalAddr.Packed() {
+        // Type ControlMessageIPPacketInfo doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(c.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        c.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(c)))
+    hdr.Len = c.SizeBytes()
+    hdr.Cap = c.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that c
+    // must live until the use above.
+    runtime.KeepAlive(c) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (c *ControlMessageIPPacketInfo) WriteTo(writer io.Writer) (int64, error) {
+    if !c.DestinationAddr.Packed() && c.LocalAddr.Packed() {
+        // Type ControlMessageIPPacketInfo doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, c.SizeBytes())
+        c.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(c)))
+    hdr.Len = c.SizeBytes()
+    hdr.Cap = c.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that c
+    // must live until the use above.
+    runtime.KeepAlive(c) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
 //go:nosplit
 func (i *Inet6Addr) SizeBytes() int {
     return 1 * 16
@@ -8487,6 +11180,135 @@ func (i *Inet6Addr) WriteTo(w io.Writer) (int64, error) {
 }
 
 // SizeBytes implements marshal.Marshallable.SizeBytes.
+func (i *Inet6MulticastRequest) SizeBytes() int {
+    return 4 +
+        (*Inet6Addr)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *Inet6MulticastRequest) MarshalBytes(dst []byte) {
+    i.MulticastAddr.MarshalBytes(dst[:i.MulticastAddr.SizeBytes()])
+    dst = dst[i.MulticastAddr.SizeBytes():]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.InterfaceIndex))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *Inet6MulticastRequest) UnmarshalBytes(src []byte) {
+    i.MulticastAddr.UnmarshalBytes(src[:i.MulticastAddr.SizeBytes()])
+    src = src[i.MulticastAddr.SizeBytes():]
+    i.InterfaceIndex = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *Inet6MulticastRequest) Packed() bool {
+    return i.MulticastAddr.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *Inet6MulticastRequest) MarshalUnsafe(dst []byte) {
+    if i.MulticastAddr.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i),  uintptr(i.SizeBytes()))
+    } else {
+        // Type Inet6MulticastRequest doesn't have a packed layout in memory, fallback to MarshalBytes.
+        i.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *Inet6MulticastRequest) UnmarshalUnsafe(src []byte) {
+    if i.MulticastAddr.Packed() {
+        gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(i.SizeBytes()))
+    } else {
+        // Type Inet6MulticastRequest doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        i.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *Inet6MulticastRequest) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !i.MulticastAddr.Packed() {
+        // Type Inet6MulticastRequest doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        i.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *Inet6MulticastRequest) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *Inet6MulticastRequest) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !i.MulticastAddr.Packed() {
+        // Type Inet6MulticastRequest doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        i.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *Inet6MulticastRequest) WriteTo(writer io.Writer) (int64, error) {
+    if !i.MulticastAddr.Packed() {
+        // Type Inet6MulticastRequest doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, i.SizeBytes())
+        i.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
 //go:nosplit
 func (i *InetAddr) SizeBytes() int {
     return 1 * 4
@@ -8582,6 +11404,265 @@ func (i *InetAddr) WriteTo(w io.Writer) (int64, error) {
 }
 
 // SizeBytes implements marshal.Marshallable.SizeBytes.
+func (i *InetMulticastRequest) SizeBytes() int {
+    return 0 +
+        (*InetAddr)(nil).SizeBytes() +
+        (*InetAddr)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *InetMulticastRequest) MarshalBytes(dst []byte) {
+    i.MulticastAddr.MarshalBytes(dst[:i.MulticastAddr.SizeBytes()])
+    dst = dst[i.MulticastAddr.SizeBytes():]
+    i.InterfaceAddr.MarshalBytes(dst[:i.InterfaceAddr.SizeBytes()])
+    dst = dst[i.InterfaceAddr.SizeBytes():]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *InetMulticastRequest) UnmarshalBytes(src []byte) {
+    i.MulticastAddr.UnmarshalBytes(src[:i.MulticastAddr.SizeBytes()])
+    src = src[i.MulticastAddr.SizeBytes():]
+    i.InterfaceAddr.UnmarshalBytes(src[:i.InterfaceAddr.SizeBytes()])
+    src = src[i.InterfaceAddr.SizeBytes():]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *InetMulticastRequest) Packed() bool {
+    return i.InterfaceAddr.Packed() && i.MulticastAddr.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *InetMulticastRequest) MarshalUnsafe(dst []byte) {
+    if i.InterfaceAddr.Packed() && i.MulticastAddr.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i),  uintptr(i.SizeBytes()))
+    } else {
+        // Type InetMulticastRequest doesn't have a packed layout in memory, fallback to MarshalBytes.
+        i.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *InetMulticastRequest) UnmarshalUnsafe(src []byte) {
+    if i.InterfaceAddr.Packed() && i.MulticastAddr.Packed() {
+        gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(i.SizeBytes()))
+    } else {
+        // Type InetMulticastRequest doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        i.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *InetMulticastRequest) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !i.InterfaceAddr.Packed() && i.MulticastAddr.Packed() {
+        // Type InetMulticastRequest doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        i.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *InetMulticastRequest) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *InetMulticastRequest) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !i.InterfaceAddr.Packed() && i.MulticastAddr.Packed() {
+        // Type InetMulticastRequest doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        i.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *InetMulticastRequest) WriteTo(writer io.Writer) (int64, error) {
+    if !i.InterfaceAddr.Packed() && i.MulticastAddr.Packed() {
+        // Type InetMulticastRequest doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, i.SizeBytes())
+        i.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (i *InetMulticastRequestWithNIC) SizeBytes() int {
+    return 4 +
+        (*InetMulticastRequest)(nil).SizeBytes()
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (i *InetMulticastRequestWithNIC) MarshalBytes(dst []byte) {
+    i.InetMulticastRequest.MarshalBytes(dst[:i.InetMulticastRequest.SizeBytes()])
+    dst = dst[i.InetMulticastRequest.SizeBytes():]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(i.InterfaceIndex))
+    dst = dst[4:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (i *InetMulticastRequestWithNIC) UnmarshalBytes(src []byte) {
+    i.InetMulticastRequest.UnmarshalBytes(src[:i.InetMulticastRequest.SizeBytes()])
+    src = src[i.InetMulticastRequest.SizeBytes():]
+    i.InterfaceIndex = int32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (i *InetMulticastRequestWithNIC) Packed() bool {
+    return i.InetMulticastRequest.Packed()
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (i *InetMulticastRequestWithNIC) MarshalUnsafe(dst []byte) {
+    if i.InetMulticastRequest.Packed() {
+        gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i),  uintptr(i.SizeBytes()))
+    } else {
+        // Type InetMulticastRequestWithNIC doesn't have a packed layout in memory, fallback to MarshalBytes.
+        i.MarshalBytes(dst)
+    }
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (i *InetMulticastRequestWithNIC) UnmarshalUnsafe(src []byte) {
+    if i.InetMulticastRequest.Packed() {
+        gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(i.SizeBytes()))
+    } else {
+        // Type InetMulticastRequestWithNIC doesn't have a packed layout in memory, fallback to UnmarshalBytes.
+        i.UnmarshalBytes(src)
+    }
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (i *InetMulticastRequestWithNIC) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    if !i.InetMulticastRequest.Packed() {
+        // Type InetMulticastRequestWithNIC doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        i.MarshalBytes(buf) // escapes: fallback.
+        return cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (i *InetMulticastRequestWithNIC) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return i.CopyOutN(cc, addr, i.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (i *InetMulticastRequestWithNIC) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    if !i.InetMulticastRequest.Packed() {
+        // Type InetMulticastRequestWithNIC doesn't have a packed layout in memory, fall back to UnmarshalBytes.
+        buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
+        length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+        // Unmarshal unconditionally. If we had a short copy-in, this results in a
+        // partially unmarshalled struct.
+        i.UnmarshalBytes(buf) // escapes: fallback.
+        return length, err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (i *InetMulticastRequestWithNIC) WriteTo(writer io.Writer) (int64, error) {
+    if !i.InetMulticastRequest.Packed() {
+        // Type InetMulticastRequestWithNIC doesn't have a packed layout in memory, fall back to MarshalBytes.
+        buf := make([]byte, i.SizeBytes())
+        i.MarshalBytes(buf)
+        length, err := writer.Write(buf)
+        return int64(length), err
+    }
+
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(i)))
+    hdr.Len = i.SizeBytes()
+    hdr.Cap = i.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that i
+    // must live until the use above.
+    runtime.KeepAlive(i) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
 func (l *Linger) SizeBytes() int {
     return 8
 }
diff --git a/pkg/abi/linux/netfilter.go b/pkg/abi/linux/netfilter.go
index 35c632168..3fd05483a 100644
--- a/pkg/abi/linux/netfilter.go
+++ b/pkg/abi/linux/netfilter.go
@@ -245,6 +245,8 @@ const SizeOfXTCounters = 16
 // include/uapi/linux/netfilter/x_tables.h. That struct contains a union
 // exposing different data to the user and kernel, but this struct holds only
 // the user data.
+//
+// +marshal
 type XTEntryMatch struct {
 	MatchSize uint16
 	Name      ExtensionName
@@ -284,6 +286,8 @@ const SizeOfXTGetRevision = 30
 // include/uapi/linux/netfilter/x_tables.h. That struct contains a union
 // exposing different data to the user and kernel, but this struct holds only
 // the user data.
+//
+// +marshal
 type XTEntryTarget struct {
 	TargetSize uint16
 	Name       ExtensionName
@@ -306,6 +310,8 @@ type KernelXTEntryTarget struct {
 // XTStandardTarget is a built-in target, one of ACCEPT, DROP, JUMP, QUEUE,
 // RETURN, or jump. It corresponds to struct xt_standard_target in
 // include/uapi/linux/netfilter/x_tables.h.
+//
+// +marshal
 type XTStandardTarget struct {
 	Target XTEntryTarget
 	// A positive verdict indicates a jump, and is the offset from the
@@ -322,6 +328,8 @@ const SizeOfXTStandardTarget = 40
 // beginning of user-defined chains by putting the name of the chain in
 // ErrorName. It corresponds to struct xt_error_target in
 // include/uapi/linux/netfilter/x_tables.h.
+//
+// +marshal
 type XTErrorTarget struct {
 	Target XTEntryTarget
 	Name   ErrorName
@@ -349,6 +357,8 @@ const (
 // NfNATIPV4Range corresponds to struct nf_nat_ipv4_range
 // in include/uapi/linux/netfilter/nf_nat.h. The fields are in
 // network byte order.
+//
+// +marshal
 type NfNATIPV4Range struct {
 	Flags   uint32
 	MinIP   [4]byte
@@ -359,6 +369,8 @@ type NfNATIPV4Range struct {
 
 // NfNATIPV4MultiRangeCompat corresponds to struct
 // nf_nat_ipv4_multi_range_compat in include/uapi/linux/netfilter/nf_nat.h.
+//
+// +marshal
 type NfNATIPV4MultiRangeCompat struct {
 	RangeSize uint32
 	RangeIPV4 NfNATIPV4Range
@@ -366,6 +378,8 @@ type NfNATIPV4MultiRangeCompat struct {
 
 // XTRedirectTarget triggers a redirect when reached.
 // Adding 4 bytes of padding to make the struct 8 byte aligned.
+//
+// +marshal
 type XTRedirectTarget struct {
 	Target  XTEntryTarget
 	NfRange NfNATIPV4MultiRangeCompat
@@ -377,6 +391,8 @@ const SizeOfXTRedirectTarget = 56
 
 // XTSNATTarget triggers Source NAT when reached.
 // Adding 4 bytes of padding to make the struct 8 byte aligned.
+//
+// +marshal
 type XTSNATTarget struct {
 	Target  XTEntryTarget
 	NfRange NfNATIPV4MultiRangeCompat
@@ -463,6 +479,8 @@ var _ marshal.Marshallable = (*KernelIPTGetEntries)(nil)
 // IPTReplace is the argument for the IPT_SO_SET_REPLACE sockopt. It
 // corresponds to struct ipt_replace in
 // include/uapi/linux/netfilter_ipv4/ip_tables.h.
+//
+// +marshal
 type IPTReplace struct {
 	Name        TableName
 	ValidHooks  uint32
@@ -502,6 +520,8 @@ func (tn TableName) String() string {
 
 // ErrorName holds the name of a netfilter error. These can also hold
 // user-defined chains.
+//
+// +marshal
 type ErrorName [XT_FUNCTION_MAXNAMELEN]byte
 
 // String implements fmt.Stringer.
@@ -520,6 +540,8 @@ func goString(cstring []byte) string {
 
 // XTTCP holds data for matching TCP packets. It corresponds to struct xt_tcp
 // in include/uapi/linux/netfilter/xt_tcpudp.h.
+//
+// +marshal
 type XTTCP struct {
 	// SourcePortStart specifies the inclusive start of the range of source
 	// ports to which the matcher applies.
@@ -573,6 +595,8 @@ const (
 
 // XTUDP holds data for matching UDP packets. It corresponds to struct xt_udp
 // in include/uapi/linux/netfilter/xt_tcpudp.h.
+//
+// +marshal
 type XTUDP struct {
 	// SourcePortStart is the inclusive start of the range of source ports
 	// to which the matcher applies.
@@ -613,6 +637,8 @@ const (
 
 // IPTOwnerInfo holds data for matching packets with owner. It corresponds
 // to struct ipt_owner_info in libxt_owner.c of iptables binary.
+//
+// +marshal
 type IPTOwnerInfo struct {
 	// UID is user id which created the packet.
 	UID uint32
@@ -634,7 +660,7 @@ type IPTOwnerInfo struct {
 	Match uint8
 
 	// Invert flips the meaning of Match field.
-	Invert uint8
+	Invert uint8 `marshal:"unaligned"`
 }
 
 // SizeOfIPTOwnerInfo is the size of an XTOwnerMatchInfo.
diff --git a/pkg/abi/linux/netfilter_ipv6.go b/pkg/abi/linux/netfilter_ipv6.go
index f7c70b430..b088b207c 100644
--- a/pkg/abi/linux/netfilter_ipv6.go
+++ b/pkg/abi/linux/netfilter_ipv6.go
@@ -264,6 +264,8 @@ const (
 
 // NFNATRange corresponds to struct nf_nat_range in
 // include/uapi/linux/netfilter/nf_nat.h.
+//
+// +marshal
 type NFNATRange struct {
 	Flags    uint32
 	MinAddr  Inet6Addr
diff --git a/pkg/abi/linux/netlink.go b/pkg/abi/linux/netlink.go
index b41f94a69..232fee67e 100644
--- a/pkg/abi/linux/netlink.go
+++ b/pkg/abi/linux/netlink.go
@@ -53,6 +53,8 @@ type SockAddrNetlink struct {
 const SockAddrNetlinkSize = 12
 
 // NetlinkMessageHeader is struct nlmsghdr, from uapi/linux/netlink.h.
+//
+// +marshal
 type NetlinkMessageHeader struct {
 	Length uint32
 	Type   uint16
@@ -99,6 +101,8 @@ const NLMSG_ALIGNTO = 4
 // NetlinkAttrHeader is the header of a netlink attribute, followed by payload.
 //
 // This is struct nlattr, from uapi/linux/netlink.h.
+//
+// +marshal
 type NetlinkAttrHeader struct {
 	Length uint16
 	Type   uint16
@@ -126,6 +130,8 @@ const (
 )
 
 // NetlinkErrorMessage is struct nlmsgerr, from uapi/linux/netlink.h.
+//
+// +marshal
 type NetlinkErrorMessage struct {
 	Error  int32
 	Header NetlinkMessageHeader
diff --git a/pkg/abi/linux/netlink_route.go b/pkg/abi/linux/netlink_route.go
index ceda0a8d3..581a11b24 100644
--- a/pkg/abi/linux/netlink_route.go
+++ b/pkg/abi/linux/netlink_route.go
@@ -85,6 +85,8 @@ const (
 )
 
 // InterfaceInfoMessage is struct ifinfomsg, from uapi/linux/rtnetlink.h.
+//
+// +marshal
 type InterfaceInfoMessage struct {
 	Family uint8
 	_      uint8
@@ -164,6 +166,8 @@ const (
 )
 
 // InterfaceAddrMessage is struct ifaddrmsg, from uapi/linux/if_addr.h.
+//
+// +marshal
 type InterfaceAddrMessage struct {
 	Family    uint8
 	PrefixLen uint8
@@ -193,6 +197,8 @@ const (
 )
 
 // RouteMessage is struct rtmsg, from uapi/linux/rtnetlink.h.
+//
+// +marshal
 type RouteMessage struct {
 	Family uint8
 	DstLen uint8
diff --git a/pkg/abi/linux/socket.go b/pkg/abi/linux/socket.go
index 185eee0bb..95871b8a5 100644
--- a/pkg/abi/linux/socket.go
+++ b/pkg/abi/linux/socket.go
@@ -15,7 +15,6 @@
 package linux
 
 import (
-	"gvisor.dev/gvisor/pkg/binary"
 	"gvisor.dev/gvisor/pkg/marshal"
 )
 
@@ -251,18 +250,24 @@ type SockAddrInet struct {
 }
 
 // Inet6MulticastRequest is struct ipv6_mreq, from uapi/linux/in6.h.
+//
+// +marshal
 type Inet6MulticastRequest struct {
 	MulticastAddr  Inet6Addr
 	InterfaceIndex int32
 }
 
 // InetMulticastRequest is struct ip_mreq, from uapi/linux/in.h.
+//
+// +marshal
 type InetMulticastRequest struct {
 	MulticastAddr InetAddr
 	InterfaceAddr InetAddr
 }
 
 // InetMulticastRequestWithNIC is struct ip_mreqn, from uapi/linux/in.h.
+//
+// +marshal
 type InetMulticastRequestWithNIC struct {
 	InetMulticastRequest
 	InterfaceIndex int32
@@ -491,7 +496,7 @@ type TCPInfo struct {
 }
 
 // SizeOfTCPInfo is the binary size of a TCPInfo struct.
-var SizeOfTCPInfo = int(binary.Size(TCPInfo{}))
+var SizeOfTCPInfo = (*TCPInfo)(nil).SizeBytes()
 
 // Control message types, from linux/socket.h.
 const (
@@ -502,6 +507,8 @@ const (
 // A ControlMessageHeader is the header for a socket control message.
 //
 // ControlMessageHeader represents struct cmsghdr from linux/socket.h.
+//
+// +marshal
 type ControlMessageHeader struct {
 	Length uint64
 	Level  int32
@@ -510,7 +517,7 @@ type ControlMessageHeader struct {
 
 // SizeOfControlMessageHeader is the binary size of a ControlMessageHeader
 // struct.
-var SizeOfControlMessageHeader = int(binary.Size(ControlMessageHeader{}))
+var SizeOfControlMessageHeader = (*ControlMessageHeader)(nil).SizeBytes()
 
 // A ControlMessageCredentials is an SCM_CREDENTIALS socket control message.
 //
@@ -527,6 +534,7 @@ type ControlMessageCredentials struct {
 //
 // ControlMessageIPPacketInfo represents struct in_pktinfo from linux/in.h.
 //
+// +marshal
 // +stateify savable
 type ControlMessageIPPacketInfo struct {
 	NIC             int32
@@ -536,7 +544,7 @@ type ControlMessageIPPacketInfo struct {
 
 // SizeOfControlMessageCredentials is the binary size of a
 // ControlMessageCredentials struct.
-var SizeOfControlMessageCredentials = int(binary.Size(ControlMessageCredentials{}))
+var SizeOfControlMessageCredentials = (*ControlMessageCredentials)(nil).SizeBytes()
 
 // A ControlMessageRights is an SCM_RIGHTS socket control message.
 type ControlMessageRights []int32