Merge pull request #365 from renanrodrigo/fix_packetout_unpack

Remove port enum_ref for packet out messages

Author: beraldoleal

pyof/v0x01/controller2switch/packet_out.py

@@ -22,7 +22,7 @@ class PacketOut(GenericMessage):
 
     header = Header(message_type=Type.OFPT_PACKET_OUT)
     buffer_id = UBInt32()
-    in_port = UBInt16(enum_ref=Port)
+    in_port = UBInt16()
     actions_len = UBInt16()
     actions = ListOfActions()
     data = BinaryData()