Continuous log messages like "containerd: (pid xxx) has become an orphan, killing it" are seen from the logs

Issue

• After upgrading to Red Hat Openstack 12 a repeated messages as "containerd: (pid xxx) has become an orphan, killing it" are seen from the logs.
• Continuous messages like below are seen from the logs in OpenShift Container Platform environment.
• Repeated "containerd: (pid xxx) has become an orphan, killing it" messages are shown in /var/log/messages.

localhost dockerd-current:
level=warning msg="containerd: unable to save dd593b64a01afb597bbbc299e9877264b358c4b44128ca5faee91c5feb16e814:be232d5dc96e5b37cb57b59aae0c6e291dc5a4a96d06084c9f6bffed57830f53
starttime: open /proc/626895/stat: no such file or directory"
localhost dockerd-current level=info msg="containerd:
dd593b64a01afb597bbbc299e9877264b358c4b44128ca5faee91c5feb16e814:be232d5dc96e5b37cb57b59aae0c6e291dc5a4a96d06084c9f6bffed57830f53
(pid 626895) has become an orphan, killing it"