traefik/pkg/provider/kubernetes/ingress/fixtures/Ingress-with-native-service-lb_service.yml

kind: Service
apiVersion: v1
metadata:
  name: service1
  namespace: testing
  annotations:
    traefik.ingress.kubernetes.io/service.nativelb: "true"

spec:
  ports:
  - port: 8080
  clusterIP: 10.0.0.1
  type: ClusterIP
  externalName: traefik.wtf