Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/02649d26ca1842ff96c02d4a82c40f75 : RETRY_LIMIT in 3m 56s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b84df791a72147cd83c6bbb882776d45 : FAILURE in 6m 39s