2015-09-01 07:32:35.996 6656 ERROR oslo_messaging.rpc.dispatcher [req-a32f02f3-60e9-4ffe-9ddb-e19d163101ee c6506c93abce4b04be623777114ee410 f36556a5106d4cb981ec5ede7875100e - - -] Exception during message handling: %d format: a number is required, not NoneType
2015-09-01 07:32:35.996 6656 TRACE oslo_messaging.rpc.dispatcher Traceback (most recent call last):
2015-09-01 07:32:35.996 6656 TRACE oslo_messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 142, in _dispatch_and_reply
2015-09-01 07:32:35.996 6656 TRACE oslo_messaging.rpc.dispatcher     executor_callback))
2015-09-01 07:32:35.996 6656 TRACE oslo_messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/designate/rpc.py", line 178, in _dispatch
2015-09-01 07:32:35.996 6656 TRACE oslo_messaging.rpc.dispatcher     return super(RPCDispatcher, self)._dispatch(*args, **kwds)
2015-09-01 07:32:35.996 6656 TRACE oslo_messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 186, in _dispatch
2015-09-01 07:32:35.996 6656 TRACE oslo_messaging.rpc.dispatcher     executor_callback)
2015-09-01 07:32:35.996 6656 TRACE oslo_messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 130, in _do_dispatch
2015-09-01 07:32:35.996 6656 TRACE oslo_messaging.rpc.dispatcher     result = func(ctxt, **new_args)
2015-09-01 07:32:35.996 6656 TRACE oslo_messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/designate/mdns/notify.py", line 85, in poll_for_serial_number
2015-09-01 07:32:35.996 6656 TRACE oslo_messaging.rpc.dispatcher     delay)
2015-09-01 07:32:35.996 6656 TRACE oslo_messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/designate/mdns/notify.py", line 118, in get_serial_number
2015-09-01 07:32:35.996 6656 TRACE oslo_messaging.rpc.dispatcher     domain, nameserver, timeout, retry_interval, retries)
2015-09-01 07:32:35.996 6656 TRACE oslo_messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/designate/mdns/notify.py", line 185, in _make_and_send_dns_message
2015-09-01 07:32:35.996 6656 TRACE oslo_messaging.rpc.dispatcher     'port': dest_port})
2015-09-01 07:32:35.996 6656 TRACE oslo_messaging.rpc.dispatcher TypeError: %d format: a number is required, not NoneType
2015-09-01 07:32:35.996 6656 TRACE oslo_messaging.rpc.dispatcher

==> /var/log/designate/pool-manager.log <==