From
https://build.opensuse.org/package/show/Cloud:OpenStack:Factory/python-oslo.messaging

It seems the tests are stuck repeating forever

[431072s] ERROR [oslo_messaging._drivers.amqp1_driver.controller] Socket
failure: [Errno 111] Connection refused [431103s] ERROR
[oslo_messaging._drivers.amqp1_driver.controller] Socket failure: [Errno 111]
Connection refused


and failures start there:

[ 180s] {0}
oslo_messaging.tests.test_utils.VersionIsCompatibleTestCase.test_version_is_compatible_major_difference1
[0.002105s] ... ok [ 180s] {0}
oslo_messaging.tests.test_utils.VersionIsCompatibleTestCase.test_version_is_compatible_newer_minor
[0.001850s] ... ok [ 187s] ERROR
[oslo_messaging._drivers.amqp1_driver.controller] Socket failure: [Errno 111]
Connection refused [ 187s] ERROR
[oslo_messaging._drivers.amqp1_driver.controller] Socket failure: [Errno 111]
Connection refused