This is preventing ARP flux, which is a different issue https://lwn.net/Articles/45373/ https://lwn.net/Articles/45373/ https://serverfault.com/questions/8345

This is preventing ARP flux, which is a different issue https://lwn.net/Articles/45373/ https://lwn.net/Articles/45373/ https://serverfault.com/questions/834512/why-does-linux-answer-to-arp-on-incorrect-interfaces https://serverfault.com/questions/834512/why-does-linux-answ... https://access.redhat.com/solutions/31284 https://access.redhat.com/solutions/31284