Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/37c8da4c43cb4eeb8ad857c353cbe604 : RETRY_LIMIT in 4m 21s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7e3eb940e6624f4fa568498c391c9da1 : FAILURE in 7m 21s