Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/1b8ccb3300ee4420ae4cd7cfb7b79bf6 : RETRY_LIMIT in 3m 58s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7c0d89c04a274ac0a29872e3b73b41df : FAILURE in 4m 47s