help!
sdn@IPL204:~/pox$ ./pox.py forwarding.l3_learning --fakeways=172.16.0.1,172.16.1.1 POX 0.1.0 (betta) / Copyright 2011-2013 James McCauley, et al. INFO:core:POX 0.1.0 (betta) is up. INFO:openflow.of_01:[90-e2-ba-28-2d-d5 1] connected INFO:packet:(dhcp parse) warning DHCP packet data too short to parse header: data len 86 INFO:packet:(dhcp parse) warning DHCP packet data too short to parse header: data len 86 Task <Timer/tid1> caused exception and was de-scheduled Traceback (most recent call last): File "/home/sdn/pox/pox/lib/recoco/recoco.py", line 276, in cycle rv = t.execute() File "/home/sdn/pox/pox/lib/recoco/recoco.py", line 94, in execute return self.gen.send(v) File "/home/sdn/pox/pox/lib/recoco/recoco.py", line 751, in run rv = self._callback(*self._args,**self._kw) File "/home/sdn/pox/pox/forwarding/l3_learning.py", line 130, in _handle_expiration core.openflow.sendToDPID(dpid, po) File "/home/sdn/pox/pox/openflow/__init__.py", line 346, in sendToDPID if dpid in self._connections: File "/home/sdn/pox/pox/openflow/__init__.py", line 282, in __contains__ return item in self.values() File "/home/sdn/pox/pox/lib/addresses.py", line 315, in __cmp__ return -other.__cmp__(self) AttributeError: 'Connection' object has no attribute '__cmp__'