Similar one show up at here http://logs.openstack.org/32/461732/2/check/gate-nova-tox-functional-ubuntu-xenial/83038b5/testr_results.html.gz
Similar one show up at here http:// logs.openstack. org/32/ 461732/ 2/check/ gate-nova- tox-functional- ubuntu- xenial/ 83038b5/ testr_results. html.gz