don't call ifa_item_add/del in ifa_add/del, so the ifa RB tree doesn't get used at all. turns out this needs more work - after release.
don't call ifa_item_add/del in ifa_add/del, so the ifa RB tree doesn't
get used at all. turns out this needs more work - after release.

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