Description of problem: IP reconciliation is a feature in the latest whereabouts, and due to reports, this feature should be backported all the way to 4.6.z. The feature is in the form of a cron job which reconciles the IP addresses. Version-Release number of selected component (if applicable): 4.6-4.10 How reproducible: Specialized. Customers often experience this when nodes are rebooted, or pods are force deleted, and therefore CNI DEL calls aren't processed in their entirety by Whereabouts Steps to Reproduce: (We will produce a procedure which produces orphaned IP addresses) Actual results: IP addresses will remain stranded, and never utilized again. Expected results: IP addresses that were stranded become available for use again. Additional info: 4.10 has the reconciliation code but still requires a bug fix from upstream.
This can be verified using this procedure: https://gist.github.com/dougbtv/599e8a1a747fde300d46e912f573b40f Thank you!
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 4.10.3 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-2022:0056