[UI] Clicking the name of a VM hits 'can't access property "name", e.disk is undefined', and the web is unreachable

4.20.1

100%

1.The VM is defined via

$ cat vm.yaml 
apiVersion: kubevirt.io/v1
kind: VirtualMachine
metadata:
  name: fedora-timao
  namespace: timao-test
  annotations:
    description: timao VM example
  labels:
    app: timao
    os.template.kubevirt.io/fedora: 'true'
spec:
  runStrategy: Halted
  template:
    metadata:
      annotations:
        vm.kubevirt.io/flavor: small
        vm.kubevirt.io/os: fedora
        vm.kubevirt.io/workload: server
      labels:
        kubevirt.io/domain: example
        kubevirt.io/size: small
    spec:
      domain:
        cpu:
          cores: 1
          sockets: 1
          threads: 1
        devices:
          filesystems:
            - name: config-fs
              virtiofs: {}
          disks:
            - disk:
                bus: virtio
              name: rootdisk
            - disk:
                bus: virtio
              name: cloudinitdisk
          interfaces:
            - masquerade: {}
              model: virtio
              name: default
          networkInterfaceMultiqueue: true
          rng: {}
        memory:
          guest: 2Gi
      hostname: example
      networks:
        - name: default
          pod: {}
      terminationGracePeriodSeconds: 180
      volumes:
        - name: rootdisk
          containerDisk:
            image: 'quay.io/containerdisks/fedora'
        - cloudInitNoCloud:
            userData: |-
              #cloud-config
              user: fedora
              password: fedora
              chpasswd: { expire: False }
          name: cloudinitdisk
        - configMap:
            name: my-configmap
          name: config-fs


2.$ kubectl create -f vm.yaml
3.$ virtctl start fedora-timao --namespace timao-test
4. In the web to check the details/Overview info of the VM

The web is unreachable and the hint info is:
Something wrong happened
can't access property "name", e.disk is undefined

Display the VM's info