Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/478c9ecef2ff4cdf84df1c55bc78436e : RETRY_LIMIT in 4m 15s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/dd3a682232ad4071968633e7496f6827 : FAILURE in 3m 42s