Prevent host on one interface from overwriting ARP route entry for a host on a different interface. Also add interface name to other overwrite diagnostic messages.
Prevent host on one interface from overwriting ARP route entry for a
host on a different interface. Also add interface name to other overwrite
diagnostic messages.

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars