// receive on the ClusterIP. If set to "Local", the proxy will assume that pods
  // only want to talk to endpoints of the service on the same node as the pod,
  // dropping the traffic if there are no local endpoints. The default value,
  // "Cluster", uses the standard behavior of routing to all endpoints evenly
  // (possibly modified by topology and other features).
  // +optional
  optional string internalTrafficPolicy = 22;
}