diff options
| -rw-r--r-- | interface-ip.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/interface-ip.c b/interface-ip.c index b577e66..b7c1807 100644 --- a/interface-ip.c +++ b/interface-ip.c @@ -849,8 +849,11 @@ interface_set_prefix_address(struct device_prefix_assignment *assignment, int mtu = system_update_ipv6_mtu(uplink->l3_dev.dev, 0); int mtu_old = system_update_ipv6_mtu(l3_downlink, 0); - if (mtu > 0 && mtu_old > mtu) - system_update_ipv6_mtu(l3_downlink, mtu); + if (mtu > 0 && mtu_old != mtu) { + if (system_update_ipv6_mtu(l3_downlink, mtu) < 0) + netifd_log_message(L_WARNING, "Failed to set IPv6 mtu to %d" + "on interface '%s'\n", mtu, iface->name); + } } assignment->enabled = true; |