Build failed. https://zuul.opendev.org/t/openstack/buildset/c9c8bfa0e8d240209ba8780c2f1e40ff - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/72701a794da745049c53b16f02183584 : RETRY_LIMIT in 4m 16s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a89b419718504a98b6cce55c859c6802 : FAILURE in 6m 30s