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	Example: a pod like the  below should
proxy port 53 TCP and UDP to the main DNS service.
```
apiVersion: v1
kind: Pod
metadata:
  name: localhost-dns-proxy
spec:
  containers:
  - name: proxy-udp
    image: gcr.io/google_containers/proxy-to-service:v1
    args: [ "udp", "53", "kube-dns.default" ]
    ports:
    - name: udp
      protocol: UDP
      containerPort: 53
      hostPort: 53
  - name: proxy-tcp
    image: gcr.io/google_containers/proxy-to-service:v1
    args: [ "tcp", "53", "kube-dns.default" ]
    ports:
    - name: tcp
      protocol: TCP
      containerPort: 53
      hostPort: 53
```