Comment 6 for bug 1436769

Seeing similar messages in the following services.
g-api, n-api, q-svc, n-cond, n-sch, n-cpu, c-sch, c-vol

Setup: devstack(Master)+Ubunut14.04

Outpu for c-vol:

2015-04-14 13:11:33.153 ERROR oslo_messaging._drivers.impl_rabbit [-] AMQP server on 192.168.122.95:5672 is unreachable: Too many heartbeats missed. Trying again in 1 seconds.
2015-04-14 13:11:34.167 INFO oslo_messaging._drivers.impl_rabbit [-] Reconnected to AMQP server on 192.168.122.95:5672
2015-04-14 13:11:36.169 DEBUG oslo_messaging._drivers.impl_rabbit [-] Received recoverable error from kombu: from (pid=30954) on_error /usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/impl_rabbit.py:782
2015-04-14 13:11:36.169 TRACE oslo_messaging._drivers.impl_rabbit Traceback (most recent call last):
2015-04-14 13:11:36.169 TRACE oslo_messaging._drivers.impl_rabbit File "/usr/lib/python2.7/dist-packages/kombu/connection.py", line 440, in _ensured
2015-04-14 13:11:36.169 TRACE oslo_messaging._drivers.impl_rabbit return fun(*args, **kwargs)
2015-04-14 13:11:36.169 TRACE oslo_messaging._drivers.impl_rabbit File "/usr/lib/python2.7/dist-packages/kombu/connection.py", line 512, in __call__
2015-04-14 13:11:36.169 TRACE oslo_messaging._drivers.impl_rabbit return fun(*args, channel=channels[0], **kwargs), channels[0]
2015-04-14 13:11:36.169 TRACE oslo_messaging._drivers.impl_rabbit File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/impl_rabbit.py", line 831, in execute_method
2015-04-14 13:11:36.169 TRACE oslo_messaging._drivers.impl_rabbit method()
2015-04-14 13:11:36.169 TRACE oslo_messaging._drivers.impl_rabbit File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/impl_rabbit.py", line 1024, in _consume
2015-04-14 13:11:36.169 TRACE oslo_messaging._drivers.impl_rabbit rate=self.driver_conf.heartbeat_rate)
2015-04-14 13:11:36.169 TRACE oslo_messaging._drivers.impl_rabbit File "/usr/lib/python2.7/dist-packages/kombu/connection.py", line 268, in heartbeat_check
2015-04-14 13:11:36.169 TRACE oslo_messaging._drivers.impl_rabbit return self.transport.heartbeat_check(self.connection, rate=rate)
2015-04-14 13:11:36.169 TRACE oslo_messaging._drivers.impl_rabbit File "/usr/lib/python2.7/dist-packages/kombu/transport/pyamqp.py", line 127, in heartbeat_check
2015-04-14 13:11:36.169 TRACE oslo_messaging._drivers.impl_rabbit return connection.heartbeat_tick(rate=rate)
2015-04-14 13:11:36.169 TRACE oslo_messaging._drivers.impl_rabbit File "/usr/lib/python2.7/dist-packages/amqp/connection.py", line 876, in heartbeat_tick
2015-04-14 13:11:36.169 TRACE oslo_messaging._drivers.impl_rabbit raise ConnectionForced('Too many heartbeats missed')
2015-04-14 13:11:36.169 TRACE oslo_messaging._drivers.impl_rabbit ConnectionForced: Too many heartbeats missed
2015-04-14 13:11:36.169 TRACE oslo_messaging._drivers.impl_rabbit
2015-04-14 13:11:36.169 ERROR oslo_messaging._drivers.impl_rabbit [-] AMQP server on 192.168.122.95:5672 is unreachable: Too many heartbeats missed. Trying again in 1 seconds.
2015-04-14 13:11:37.187 INFO oslo_messaging._drivers.impl_rabbit [-] Reconnected to AMQP server on 192.168.122.95:5672