PR https://github.com/openshift/must-gather/pull/254, failed to cherry-pick the pr https://github.com/openshift/must-gather/pull/254 to 4.9 release. That causes incorrect output when we set the audit profile with None.One manual back-porting for the PR is required.

OCP 4.9

always

1. oc patch apiserver cluster -p '{"spec": {"audit": {"profile": "None"}}}' --type merge
2. After the kube-apiserver degradation is finished.
$ oc get pods -n openshift-kube-apiserver -l apiserver --show-labels
$ oc adm must-gather -- /usr/bin/gather_audit_logs 

There is no similar error in output:
[must-gather-jz6fq] POD 2021-10-21T03:17:28.472216228Z ERROR: To raise a Red Hat support request, it is required to set the top level audit policy to
[must-gather-jz6fq] POD 2021-10-21T03:17:28.472216228Z        Default, WriteRequestBodies, or AllRequestBodies to generate audit log events that can
[must-gather-jz6fq] POD 2021-10-21T03:17:28.472216228Z        be analyzed by support. Try 'oc edit apiservers' and set 'spec.audit.profile' back to
[must-gather-jz6fq] POD 2021-10-21T03:17:28.472216228Z        "Default" and reproduce the issue while gathering audit logs. You can use "--force" to
[must-gather-jz6fq] POD 2021-10-21T03:17:28.472216228Z        override this error.

Will see above similar errors.