#2 Port shutdown should be detached

[Petunia Hero]

If the ungoliant daemon is stopped will it is in the
middle of restarting a port, that part will remain
shutdown. A better behavior would be to launch a
separate process and detach it from the ungoliant
daemon, this way, in the event that ungoliantd is
stopped, you are sure to finish the port shut/no shut
process.