cannot create dns recover NNCP which use clear dns configuration in node.

4.17.0-0.nightly-2024-12-31-045652

always

1.create dns NNCP in one node
apiVersion: nmstate.io/v1
kind: NodeNetworkConfigurationPolicy
metadata:
  name: staticdns-test
spec:
  nodeSelector:
    kubernetes.io/hostname: worker-00.yinzhou69063.qe.devcluster.openshift.com
  desiredState:
    dns-resolver:
      config:
        search:
        - example.com
        server:
        - 147.75.207.207
        - 2003::3

// check dns configuration in node
sh-5.1# cat /etc/resolv.conf 
# Generated by NetworkManager
search example.com yinzhou69063.qe.devcluster.openshift.com
nameserver 147.75.207.207
nameserver 2003::3

2. create dns recover nncp to clear this configuration
kind: NodeNetworkConfigurationPolicy
apiVersion: nmstate.io/v1
metadata:
  name: dns-1
  namespace: openshift-nmstate
spec:
  nodeSelector:
    kubernetes.io/hostname: worker-00.yinzhou69063.qe.devcluster.openshift.com
  desiredState:
    dns-resolver:
      config:
        search: 
        server:      

3. NNCP create failed
$ oc get nncp
NAME    STATUS     REASON
dns-1   Degraded   FailedToConfigure
     

NNCP create failed

NNCP create successfully