Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/f138f1e8d0b44f8f828b0f9fcd25f466 : RETRY_LIMIT in 4m 01s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/344096be44ee43cabfc4a710b427730b : FAILURE in 6m 10s