* OpebBSD: remove socketpair() for AF_INET and AF_INET6.
socketpair() is only supported on AF_UNIX.
* NetBSD: remove socketpair() for AF_INET and AF_INET6.
socketpair() is only supported for AF_UNIX.
* FreeBSD: remove socketpair() for AF_INET and AF_INET6.
socketpair() only supports AF_UNIX.
* Linux: remove socketpair for AF_INET and AF_INET6.
socketpair only supports AF_UNIX.
* Autogenerated files.
These are manually generated for all platforms you are not
running on. FreeBSD in this case.
* executor: rebase.
* sys/freebsd: rebase.
* sys/linux: use AF_UNIX based socketpair for nbd.
This was suggested by Dmitry.
Fixes#845