Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/b57bfc5bc65444a68b5e5809231ddc79 : RETRY_LIMIT in 3m 16s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9d173c06160d46a29b17568506545dc5 : FAILURE in 6m 12s