Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/83896ebc78034f468b95d43364bcaa6b : RETRY_LIMIT in 2m 51s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/94b831e5fdd1460f84d9459e6648df27 : FAILURE in 4m 08s