Before kube-apiserver readiness, kube-controller-manager's GC and namespace controllers should not get a 404 for a resource or incomplete discovery because it will make them behave inconsistently by removed objects unexpectedly.
moving it back to assigned, since we have a new pick from upstream.
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 4.9.0 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-2021:3759