Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/505236478aaa417193bb0d2d5303d88d : RETRY_LIMIT in 3m 13s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2a186624910c4d449d7ec28779537682 : FAILURE in 4m 08s