Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/b83e5129ca724c9daa6a4c54f462ec02 : RETRY_LIMIT in 4m 09s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9874e87c66e14395a12dcb023c26a265 : FAILURE in 4m 42s