Comment 12 for bug 1464178

Hi,

I also hit by the same problem:

2015-08-11 10:50:38.804 6584 TRACE oslo_messaging.rpc.dispatcher
2015-08-11 10:50:38.804 6584 ERROR oslo_messaging._drivers.common [req-6fd71f06-3a83-4341-b4ac-89ee7c18300e ] Returning exception Invalid input for operation: (u'Tunnel IP %(ip)s in use with host %(host)s', {'ip': u'10.0.102.2', 'host': None}). to caller
2015-08-11 10:50:38.805 6584 ERROR oslo_messaging._drivers.common [req-6fd71f06-3a83-4341-b4ac-89ee7c18300e ] ['Traceback (most recent call last):\n', ' File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 142, in _dispatch_and_reply\n executor_callback))\n', ' File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 186, in _dispatch\n executor_callback)\n', ' File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 130, in _do_dispatch\n result = func(ctxt, **new_args)\n', ' File "/usr/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/type_tunnel.py", line 248, in tunnel_sync\n raise exc.InvalidInput(error_message=msg)\n', "InvalidInput: Invalid input for operation: (u'Tunnel IP %(ip)s in use with host %(host)s', {'ip': u'10.0.102.2', 'host': None}).\n"]
2015-08-11 10:50:39.085 6584 INFO neutron.wsgi [-] (6584) accepted ('10.0.109.204', 60124)
….
…

Any workaround?

/Salman,