after the fix for https://bugs.launchpad.net/tripleo/+bug/1853183 the containerized undecloud upgrade is failing at [1] after the upgrade tasks are complete and during the deploy tasks with trace like:
2019-11-23 18:17:49 | PLAY [Upgrade tasks for step 5]
...
2019-11-23 18:17:49 | PLAY RECAP *********************************************************************
2019-11-23 18:17:49 | undercloud : ok=33 changed=18 unreachable=0 failed=0 skipped=22 rescued=0 ignored=2
2019-11-23 18:17:49 |
2019-11-23 18:17:49 | ** Running ansible deploy tasks **
...
2019-11-23 18:28:08 | "Error: error creating container storage: the container name \"rabbitmq_init_logs\" is already in use by \"5e03ad52e1b683e28a48ed471c958881af7b918245cca43f9659faa52e62589f\". You have to remove that container to be able to reuse that name.: that name is already in use",
2019-11-23 18:28:08 | "Error: error creating container storage: the container name \"mysql_init_logs\" is already in use by \"f1849d2ae3c95297fed6e9ce20d37e887595efb6abf699ab33698f394de7f370\". You have to remove that container to be able to reuse that name.: that name is already in use",
2019-11-23 18:28:08 | "Error: error creating container storage: the container name \"memcached\" is already in use by \"ec1ebc6b0f807bbb8951d5d906074ee3e95a8e66d2049b6814b0084e93bf19ba\". You have to remove that container to be able to reuse that name.: that name is already in use",
2019-11-23 18:28:08 | "Error: error creating container storage: the container name \"keepalived\" is already in use by \"fd55688e8d00b42352c9841d393895597f8c151e1be7a0be835db9781eb02262\". You have to remove that container to be able to reuse that name.: that name is already in use",
2019-11-23 18:28:08 | "Error: error creating container storage: the container name \"haproxy\" is already in use by \"4cfb530f920c0045120b3927f56d059b3bbde153e37e8a9d91923c52e0944f79\". You have to remove that container to be able to reuse that name.: that name is already in use",
2019-11-23 18:28:08 | "Error: error creating container storage: the container name \"rabbitmq_bootstrap\" is already in use by \"005039b296ffebaf34db0a7a637d1a12aa5dc2d11bfaa4cd9340e4cc23696cfd\". You have to remove that container to be able to reuse that name.: that name is already in use",
2019-11-23 18:28:08 | "Error: error creating container storage: the container name \"rabbitmq\" is already in use by \"558d19eec782dbfde3eb5a9858a87f90ada4bb8cb21ca3fdc6fe821dabdda8d2\". You have to remove that container to be able to reuse that name.: that name is already in use"
[1] https://f675568a69743b4b6142-5f4fcc390c732de527a6558cf26ba7f3.ssl.cf5.rackcdn.com/695803/1/check/tripleo-ci-centos-7-containerized-undercloud-upgrades/a0f55a7/logs/undercloud/home/zuul/undercloud_upgrade.log.txt.gz
I can see no log records made by paunch about "Renaming" or "Deleting" a container. That means neither ephemeral names was involved, nor there was triggers, like config data changes, identified by paunch. So it hadn't recreate the containers reported as already existing, and just failed