Rewrite part of the promiscuous/multicast handling; tested by myself, naddy@ and several tech@ readers. From Brad.
Rewrite part of the promiscuous/multicast handling; tested by myself,
naddy@ and several tech@ readers. From Brad.

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