Comment 4 for bug 1930151

this has been happening since ~ 21st May. That is when the last green runs were in [1] and I found an example of the bug from the 21st there [2]

        * 2021-05-21 15:58:52 | 2021-05-21 15:58:52.602476 | fa163e9b-7524-3e5f-0671-000000003278 | FATAL | Check containers status | undercloud | error={"changed": false, "msg": "Failed container(s): ['nova_api_db_sync', 'zaqar_db_sync', 'keystone_db_sync', 'neutron_db_sync'], check logs in /var/log/containers/stdouts/"}

[1] https://zuul.openstack.org/builds?job_name=tripleo-ci-centos-8-undercloud-upgrade-ussuri
[2] https://0bdfd6862a2eb7fa74ee-67e15cc69bd7500d8d48cf199d18d0c8.ssl.cf5.rackcdn.com/782772/2/gate/tripleo-ci-centos-8-undercloud-upgrade-ussuri/809e547/logs/undercloud/home/zuul/undercloud_upgrade.log