Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/72dd0913dacd49fab254d3c8677b3c0e : RETRY_LIMIT in 4m 02s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/cf5b7ddf1959488bb06cc9d6865c99e2 : FAILURE in 4m 47s