Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/2cbc5eb7c3bb4c7d99ae9b108481fe75 : RETRY_LIMIT in 6m 30s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/06313d75409a452fb11e98bb34dc2a39 : FAILURE in 4m 45s