Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/ffde8adc2aca4e0b8a1edd4d93493bf4 : RETRY_LIMIT in 1m 34s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d27c52dc79e6436bba5fb093d23ae33f : FAILURE in 4m 31s