It looks like from [1], that the periodic task that does the removal of the network from the agent gets in the way of the test. IMO the periodic task should be mocked so that it does not interfere with the test.
[1] http://logs.openstack.org/08/160608/3/check/gate-neutron-python27/61c8ee1/console.html#_2015-03-24_19_42_57_107
It looks like from [1], that the periodic task that does the removal of the network from the agent gets in the way of the test. IMO the periodic task should be mocked so that it does not interfere with the test.
[1] http:// logs.openstack. org/08/ 160608/ 3/check/ gate-neutron- python27/ 61c8ee1/ console. html#_2015- 03-24_19_ 42_57_107