Newly added nodes are in NotReady state.

Issue

• Newly added nodes are stuck in the NotReday state.

  $ oc logs ovnkube-master -c ovnkube-master
  
  2023-07-31T19:45:32.664131291Z I0731 19:45:32.664109       1 event.go:285] Event(v1.ObjectReference{Kind:"Node", Namespace:"", Name:"sandbox-5sd97-storage-nc6n2", UID:"xxxxxx-xxxxxx", APIVersion:"v1", ResourceVersion:"1241744", FieldPath:""}): type: 'Warning' reason: 'ErrorReconcilingNode' nodeAdd: error adding node "sandbox-storage": error allocating network for node sandbox-5sd97-storage-nc6n2: no subnets available.
  2023-07-31T19:45:32.664141990Z I0731 19:45:32.664130       1 event.go:285] Event(v1.ObjectReference{Kind:"Node", Namespace:"", Name:"sandbox-5sd97-storage-ngg4d", UID:"xxxxxx-xxxxxx", APIVersion:"v1", ResourceVersion:"1241753", FieldPath:""}): type: 'Warning' reason: 'ErrorReconcilingNode' nodeAdd: error adding node "sandbox-storage": error allocating network for node sandbox-5sd97-storage-ngg4d: no subnets available.
  

• This is preventing the new nodes from starting because no IP address is available for the newly added nodes.