of_01: Fix port status deferral
of_01: Fix port status deferral

The previous commit added deferral of port status messages,
but a careless error in an attempted informational log
message caused an exception keeping it from working.

noxrepo/pox,MurphyMc/pox,noxrepo/pox,MurphyMc/pox,MurphyMc/pox,MurphyMc/pox,MurphyMc/pox,noxrepo/pox,noxrepo/pox