cilium_announcement_policy.yml

apiVersion: "cilium.io/v2alpha1"
kind: CiliumL2AnnouncementPolicy
metadata:
  name: policy1
spec:
  nodeSelector:
    matchExpressions:
      - key: node-role.kubernetes.io/control-plane
        operator: DoesNotExist
  interfaces:
  - "enx*"
  externalIPs: true
  loadBalancerIPs: true