Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/nova/stable/ocata/build-openstack-sphinx-docs/e3ac9f4/ : RETRY_LIMIT in 3m 50s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/nova/stable/ocata/openstack-tox-py27/8583024/ : SUCCESS in 12m 20s