Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/38163a8d5f7b41e98724f7f45f512bc0 : RETRY_LIMIT in 3m 01s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ced89340ed31410a97ce6766e62142f4 : FAILURE in 4m 06s