Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/64a40bdc4bb04897b62d596b33faaf18 : RETRY_LIMIT in 4m 08s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e5d55fbffaf145dd8d04eedaf93bb6d5 : FAILURE in 4m 14s