Handle PREEMPT AND ABORT service action equal to PREEMPT.

With command serialization used in CTL, there are no other commands to abort
when PREEMPT AND ABORT gets to run, so it is practically equal to PREEMPT.

MFC after:	1 week


git-svn-id: svn+ssh://svn.freebsd.org/base/head@274333 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
Use embedded scope zone id to determine outgoing interface for link-local
and node-local addresses.


git-svn-id: svn+ssh://svn.freebsd.org/base/head@274334 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f