Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/e6adcc1c9ee5479f852d4bc19b9cf446 : RETRY_LIMIT in 2m 54s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/16f74c87e8344fb890ef18aaffadbeeb : FAILURE in 4m 10s