Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/7cb88a9ab0e74b7a9631bbb8a85b258c : RETRY_LIMIT in 3m 36s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c51726c6e9f84702bf148c8e818c9d45 : FAILURE in 4m 34s