Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/f3b47b5917a34257998270379162c01f : RETRY_LIMIT in 4m 09s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3f1a73176f274b85976b9cd6b998b790 : FAILURE in 6m 34s