NATURAL: afisafi aggregator aigp aspath bgpd cidr distinguisher dscp ebgp ethernet evpn flowspec gobgp gobgpd grpc ibgp ipproto isis keepalive keepalives llgr localhost mpls multicast multihop multipath mututally nexthop nexthops nlri ospf pmsi prepend reachability reservable rpki sadb safi srgb subcode syscall syslog unicast uptime zapi