// If not specified, this field defaults to TCP.
  // +optional
  optional string protocol = 1;

  // The port on the given protocol. This can either be a numerical or named
  // port on a pod. If this field is not provided, this matches all port names and
  // numbers.
  // If present, only traffic on the specified protocol AND port will be matched.
  // +optional

  // If not specified, this field defaults to TCP.
  // +optional
  optional string protocol = 1;

  // port represents the port on the given protocol. This can either be a numerical or named
  // port on a pod. If this field is not provided, this matches all port names and
  // numbers.
  // If present, only traffic on the specified protocol AND port will be matched.
  // +optional