Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/a48718248d7b4c1d8ff2c8ac1aa563a9 : RETRY_LIMIT in 4m 19s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f8c7dd9513604011aebe2cffc38e9d5e : FAILURE in 4m 28s