Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/6716a3327a50457d8cfbfcbbf36cc821 : RETRY_LIMIT in 3m 56s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3a9a35c7d5dd4117a96f08239826fb12 : FAILURE in 4m 27s