oc get ibu
NAME      AGE    DESIRED STAGE   STATE    DETAILS
upgrade   4d8h   Upgrade         Failed   Rollback due to postpivot failure: failed to set no proxy: machineNetwork is empty, must be provided in case of proxy

oc get network cluster -o yaml
apiVersion: config.openshift.io/v1
kind: Network
metadata:
  creationTimestamp: "2024-05-17T04:06:52Z"
  generation: 2
  name: cluster
  resourceVersion: "3336"
  uid: a902ae3e-58cd-42f1-b101-f1b165e9bf2d
spec:
  clusterNetwork:
  - cidr: fd01::/48
    hostPrefix: 64
  externalIP:
    policy: {}
  networkType: OVNKubernetes
  serviceNetwork:
  - fd02::/112
status:
  clusterNetwork:
  - cidr: fd01::/48
    hostPrefix: 64
  clusterNetworkMTU: 1400
  networkType: OVNKubernetes
  serviceNetwork:
  - fd02::/112