Connecting a virtual machine to an OVN-Kubernetes secondary network

apiVersion: k8s.cni.cncf.io/v1
kind: NetworkAttachmentDefinition
metadata:
  name: l2-network
  namespace: my-namespace
spec:
  config: |2
    {
            "cniVersion": "0.3.1", (1)
            "name": "my-namespace-l2-network", (2)
            "type": "ovn-k8s-cni-overlay", (3)
            "topology":"layer2", (4)
            "mtu": 1300, (5)
            "netAttachDefName": "my-namespace/l2-network" (6)
    }

$ oc apply -f <filename>.yaml

apiVersion: kubevirt.io/v1
kind: VirtualMachine
metadata:
  name: vm-server
spec:
  running: true
  template:
    spec:
      domain:
        devices:
          interfaces:
          - name: default
            masquerade: {}
          - name: secondary (1)
            bridge: {}
        resources:
          requests:
            memory: 1024Mi
      networks:
      - name: default
        pod: {}
      - name: secondary  (2)
        multus:
          networkName: l2-network (3)
# ...

$ oc apply -f <filename>.yaml