functional test test_dvr_gateway_host_binding_is_set fails with "testtools.matchers._impl.MismatchError: u'host0' != u'standby'"

[Matt Riedemann]

http://logs.openstack.org/83/465783/1/gate/gate-neutron-dsvm-functional-ubuntu-xenial/14d985e/console.html#_2017-06-15_05_40_15_843118

2017-06-15 05:40:15.843118 | 2017-06-15 05:40:15.842 | Captured traceback:
2017-06-15 05:40:15.845578 | 2017-06-15 05:40:15.844 | ~~~~~~~~~~~~~~~~~~~
2017-06-15 05:40:15.847932 | 2017-06-15 05:40:15.847 | Traceback (most recent call last):
2017-06-15 05:40:15.850564 | 2017-06-15 05:40:15.849 | File "neutron/tests/base.py", line 118, in func
2017-06-15 05:40:15.853123 | 2017-06-15 05:40:15.852 | return f(self, *args, **kwargs)
2017-06-15 05:40:15.855579 | 2017-06-15 05:40:15.854 | File "neutron/tests/base.py", line 118, in func
2017-06-15 05:40:15.858207 | 2017-06-15 05:40:15.857 | return f(self, *args, **kwargs)
2017-06-15 05:40:15.860649 | 2017-06-15 05:40:15.859 | File "neutron/tests/functional/services/l3_router/test_l3_dvr_router_plugin.py", line 751, in test_dvr_gateway_host_binding_is_set
2017-06-15 05:40:15.863098 | 2017-06-15 05:40:15.862 | router_handle[0]['gw_port_host'])
2017-06-15 05:40:15.865628 | 2017-06-15 05:40:15.864 | File "/opt/stack/new/neutron/.tox/dsvm-functional/local/lib/python2.7/site-packages/testtools/testcase.py", line 411, in assertEqual
2017-06-15 05:40:15.868017 | 2017-06-15 05:40:15.867 | self.assertThat(observed, matcher, message)
2017-06-15 05:40:15.870545 | 2017-06-15 05:40:15.869 | File "/opt/stack/new/neutron/.tox/dsvm-functional/local/lib/python2.7/site-packages/testtools/testcase.py", line 498, in assertThat
2017-06-15 05:40:15.873014 | 2017-06-15 05:40:15.872 | raise mismatch_error
2017-06-15 05:40:15.875553 | 2017-06-15 05:40:15.874 | testtools.matchers._impl.MismatchError: u'host0' != u'standby'

http://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%5C%22testtools.matchers._impl.MismatchError%3A%20u'host0'%20!%3D%20u'standby'%5C%22%20AND%20tags%3A%5C%22console%5C%22&from=7d

19 hits in 7 days, check and gate, all failures.