Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/7a1ad7cab8bd481ea77a19b1bcb73b78 : RETRY_LIMIT in 6m 36s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/bdc0c31f194f48bc90c3b9442d3eaaef : FAILURE in 6m 38s