Description of problem: Due to the generic watcher/retry refactor in ovnk, during pod update the old version of the object is passed to the pod delete handler. The delete handler will check if the pod is completed, but since it has the old version of the pod this check will fail. The consequence of this is that the IP will not be freed for a completed pod, so the node may run out of IP addresses.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (Moderate: OpenShift Container Platform 4.12.0 bug fix and security update), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHSA-2022:7399