Adds a neighbor entry (like ARP entry).
Examplenl-neigh-add --dev eth0 --dst 192.168.1.5 --lladdr 00:11:22:33:44:55
nl-neigh-add --dev eth0 --dst 192.168.1.5 --lladdr 00:11:22:33:44:55
DevOpsSchoolTypically replies within an hour