in in6_selectif() do not use a rejected or black hole to pick the outgoing interface.  the precise motivation of this change is described as comments.
in in6_selectif() do not use a rejected or black hole to pick the outgoing
interface.  the precise motivation of this change is described as comments.

MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame