*** Bug 2047464 has been marked as a duplicate of this bug. ***

Verified with 4.8.0-0.nightly-2022-02-07-035953

# oc get clusterversion
NAME      VERSION                             AVAILABLE   PROGRESSING   SINCE   STATUS
version   4.8.0-0.nightly-2022-02-07-035953   True        False         18m     Cluster version is 4.8.0-0.nightly-2022-02-07-035953

# oc patch featuregate cluster --type json -p '[{"op": "add", "path": "/spec/featureSet", "value": "TechPreviewNoUpgrade"}]'
featuregate.config.openshift.io/cluster patched


# curl -s -k -H "Authorization: Bearer $token"  https://$url/api/v1/alerts | jq -r '.data.alerts[]|select(.labels.alertname == "ClusterNotUpgradeable")'
{
  "labels": {
    "alertname": "ClusterNotUpgradeable",
    "condition": "Upgradeable",
    "endpoint": "metrics",
    "name": "version",
    "severity": "info"
  },
  "annotations": {
    "message": "One or more cluster operators have been blocking minor version cluster upgrades for at least an hour for reason AdminAckRequired.AdminAckRequired.  For more information refer to https://console-openshift-console.apps.yanyang0207c.qe.gcp.devcluster.openshift.com/settings/cluster/."
  },
  "state": "pending",
  "activeAt": "2022-02-07T09:49:29.21303266Z",
  "value": "0e+00"
}

The severity of ClusterNotUpgradeable alert is changed to info. Moving it to verified state.

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 (OpenShift Container Platform 4.8.31 bug fix 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/RHBA-2022:0484