apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: tcp
  annotations:
    kubernetes.io/ingress.class: sniff
spec:
  backend:
    serviceName: default
    servicePort: 443
  rules:
  - host: foo
    http:
      paths:
      - backend:
          serviceName: foo
          servicePort: 443
  - host: bar
    http:
      paths:
      - backend:
          serviceName: bar
          servicePort: 443

apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: tcp
  annotations:
    kubernetes.io/ingress.class: sniff
spec:
  backend:
    serviceName: bar
    servicePort: 443
  rules:
  - host: foo
    http:
      paths:
      - backend:
          serviceName: foo
          servicePort: 443
  - host: bar
    http:
      paths:
      - backend:
          serviceName: bar
          servicePort: 443

Use bar as default backend
Use bar as default backend
