Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/4c9ef38a8a9741c2a6cae9c7b3cbb762 : RETRY_LIMIT in 4m 33s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/22610a72ec204b74995838e781451465 : FAILURE in 3m 48s