$ oc get co machine-config
NAME             VERSION                         AVAILABLE   PROGRESSING   DEGRADED   SINCE   MESSAGE
machine-config   4.16.0-0.ci-2024-03-01-110656   False       False         True       2m56s   Cluster not available for [{operator 4.16.0-0.ci-2024-03-01-110656}]: MachineConfigNode.machineconfiguration.openshift.io "ip-10-0-24-212.us-east-2.compute.internal" is invalid: [metadata.ownerReferences.apiVersion: Invalid value: "": version must not be empty, metadata.ownerReferences.kind: Invalid value: "": kind must not be empty]


MCO operator is failing with this error:


218", APIVersion:"", ResourceVersion:"", FieldPath:""}): type: 'Warning' reason: 'MachineConfigNodeFailed' Cluster not available for [{operator 4.16.0-0.ci-2024-03-01-110656}]: MachineConfigNode.machineconfiguration.openshift.io "ip-10-0-24-212.us-east-2.compute.internal" is invalid: [metadata.ownerReferences.apiVersion: Invalid value: "": version must not be empty, metadata.ownerReferences.kind: Invalid value: "": kind must not be empty]
I0301 17:19:12.823035       1 event.go:364] Event(v1.ObjectReference{Kind:"", Namespace:"openshift-machine-config-operator", Name:"machine-config", UID:"c1bad7e7-26ff-47fb-8a2d-a0c03c04d218", APIVersion:"", ResourceVersion:"", FieldPath:""}): type: 'Warning' reason: 'OperatorDegraded: MachineConfigNodeFailed' Failed to resync 4.16.0-0.ci-2024-03-01-110656 because: MachineConfigNode.machineconfiguration.openshift.io "ip-10-0-49-207.us-east-2.compute.internal" is invalid: [metadata.ownerReferences.apiVersion: Invalid value: "": version must not be empty, metadata.ownerReferences.kind: Invalid value: "": kind must not be empty]


    

$ oc get clusterversion
NAME      VERSION                         AVAILABLE   PROGRESSING   SINCE   STATUS
version   4.16.0-0.ci-2024-03-01-110656   True        False         17m     Error while reconciling 4.16.0-0.ci-2024-03-01-110656: the cluster operator machine-config is not available

    

Always
    

    1. Enable techpreview
 oc patch featuregate cluster --type=merge -p '{"spec":{"featureSet": "TechPreviewNoUpgrade"}}'


    

machine-config CO is degraded

    

machine-config CO should not be degraded, no error should happen in MCO operator pod