Build failed. https://zuul.opendev.org/t/openstack/buildset/1f9fd8af0576478791b97863b6b8b831 - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/7d7a3a1bc13c439a9d8d3dabfb9a8794 : RETRY_LIMIT in 4m 09s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0b686acf69a14798bc9c72e58fe5c3f8 : FAILURE in 16m 18s