Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/be9fd0d2136247c8a1c7a3f6356cac67 : RETRY_LIMIT in 4m 40s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/668bbb3d81d243818bde256a5474f628 : FAILURE in 3m 54s