Description of problem: The cluster network doesn't allow changing the cluster network CIDR, and print log: I0421 06:07:58.559363 1 log.go:184] Reconciling Network.operator.openshift.io cluster I0421 06:07:58.560423 1 log.go:184] Not applying unsafe change: invalid configuration: [cannot change ClusterNetwork] Version-Release number of selected component (if applicable): How reproducible: Trigger an SDN migration with: oc patch Network.config.openshift.io cluster --type=merge --patch '{"spec":{"networkType":"OVNKubernetes","clusterNetwork":[{"cidr":"10.132.0.0/14","hostPrefix":23}]}}' Actual results: CNO didn't deploy OVNKubernetes in the cluster. Expected results: OVNKubernetes can be deployed in the cluster. Additional info:
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 4.8.2 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-2021:2438