Local routes that do not translate a protocol address into a link-layer address should not be flagged with RTF_LLINFO.
Local routes that do not translate a protocol address into a link-layer
address should not be flagged with RTF_LLINFO.

With this fix, arp(8) will no longer report an incomplete entry for lo0.

ok claudio@

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