Comment 22 for bug 1773981

review 45505 fixes next error:

2018-08-30 16:00:49.627 7 ERROR os_vif [req-474a6358-be7e-4c27-aeab-9fc32caf4422 05138186edbb44819ff4778157bf29c4 b1b0008d503f472e9ffd0858580c7a40 - default default] Failed to plug vif VIFVHostUser(active=True,address=02:94:c3:dd:99:e1,has_traffic_filtering=False,id=94c3dd99-e177-4021-863f-eb6f2089b196,mode='server',network=Network(1aca4e19-63a6-4718-8a16-1ebdab91c86c),path='/var/run/vrouter/uvh_vif_tap94c3dd99-e1',plugin='contrail_vrouter',port_profile=<?>,preserve_on_delete=False,vif_name='tap94c3dd99-e1'): TypeError: Cannot serialize IPAddress('192.168.1.3')
2018-08-30 16:00:49.627 7 ERROR os_vif Traceback (most recent call last):
2018-08-30 16:00:49.627 7 ERROR os_vif File "/usr/lib/python2.7/site-packages/os_vif/__init__.py", line 77, in plug
2018-08-30 16:00:49.627 7 ERROR os_vif plugin.plug(vif, instance_info)
2018-08-30 16:00:49.627 7 ERROR os_vif File "/opt/plugin/site-packages/vif_plug_vrouter/vrouter.py", line 210, in plug
2018-08-30 16:00:49.627 7 ERROR os_vif self._vrouter_port_add(instance_info, vif)
2018-08-30 16:00:49.627 7 ERROR os_vif File "/opt/plugin/site-packages/vif_plug_vrouter/vrouter.py", line 203, in _vrouter_port_add
2018-08-30 16:00:49.627 7 ERROR os_vif vhostuser_socket, vhostuser_mode)
2018-08-30 16:00:49.627 7 ERROR os_vif File "/usr/lib/python2.7/site-packages/oslo_privsep/priv_context.py", line 207, in _wrap
2018-08-30 16:00:49.627 7 ERROR os_vif return self.channel.remote_call(name, args, kwargs)
2018-08-30 16:00:49.627 7 ERROR os_vif File "/usr/lib/python2.7/site-packages/oslo_privsep/daemon.py", line 192, in remote_call
2018-08-30 16:00:49.627 7 ERROR os_vif result = self.send_recv((Message.CALL.value, name, args, kwargs))
2018-08-30 16:00:49.627 7 ERROR os_vif File "/usr/lib/python2.7/site-packages/oslo_privsep/comm.py", line 163, in send_recv
2018-08-30 16:00:49.627 7 ERROR os_vif self.writer.send((myid, msg))
2018-08-30 16:00:49.627 7 ERROR os_vif File "/usr/lib/python2.7/site-packages/oslo_privsep/comm.py", line 54, in send
2018-08-30 16:00:49.627 7 ERROR os_vif buf = msgpack.packb(msg, use_bin_type=True)
2018-08-30 16:00:49.627 7 ERROR os_vif File "/usr/lib64/python2.7/site-packages/msgpack/__init__.py", line 47, in packb
2018-08-30 16:00:49.627 7 ERROR os_vif return Packer(**kwargs).pack(o)
2018-08-30 16:00:49.627 7 ERROR os_vif File "/usr/lib64/python2.7/site-packages/msgpack/fallback.py", line 848, in pack
2018-08-30 16:00:49.627 7 ERROR os_vif self._pack(obj)
2018-08-30 16:00:49.627 7 ERROR os_vif File "/usr/lib64/python2.7/site-packages/msgpack/fallback.py", line 835, in _pack
2018-08-30 16:00:49.627 7 ERROR os_vif self._pack(obj[i], nest_limit - 1)
2018-08-30 16:00:49.627 7 ERROR os_vif File "/usr/lib64/python2.7/site-packages/msgpack/fallback.py", line 835, in _pack
2018-08-30 16:00:49.627 7 ERROR os_vif self._pack(obj[i], nest_limit - 1)
2018-08-30 16:00:49.627 7 ERROR os_vif File "/usr/lib64/python2.7/site-packages/msgpack/fallback.py", line 835, in _pack
2018-08-30 16:00:49.627 7 ERROR os_vif self._pack(obj[i], nest_limit - 1)
2018-08-30 16:00:49.627 7 ERROR os_vif File "/usr/lib64/python2.7/site-packages/msgpack/fallback.py", line 844, in _pack
2018-08-30 16:00:49.627 7 ERROR os_vif raise TypeError("Cannot serialize %r" % (obj, ))
2018-08-30 16:00:49.627 7 ERROR os_vif TypeError: Cannot serialize IPAddress('192.168.1.3')
2018-08-30 16:00:49.627 7 ERROR os_vif
2018-08-30 16:00:49.632 7 ERROR nova.virt.libvirt.driver [req-474a6358-be7e-4c27-aeab-9fc32caf4422 05138186edbb44819ff4778157bf29c4 b1b0008d503f472e9ffd0858580c7a40 - default default] [instance: 7e6a6527-a8fa-434b-971d-271498d5693b] Failed to start libvirt guest: InternalError: Failure running os_vif plugin plug method: Failed to plug VIF VIFVHostUser(active=True,address=02:94:c3:dd:99:e1,has_traffic_filtering=False,id=94c3dd99-e177-4021-863f-eb6f2089b196,mode='server',network=Network(1aca4e19-63a6-4718-8a16-1ebdab91c86c),path='/var/run/vrouter/uvh_vif_tap94c3dd99-e1',plugin='contrail_vrouter',port_profile=<?>,preserve_on_delete=False,vif_name='tap94c3dd99-e1'). Got error: Cannot serialize IPAddress('192.168.1.3')