@Override
 public void funnel(OFBsnGentableBucketStatsReplyVer13 message, PrimitiveSink sink) {
   // fixed value property version = 4
   sink.putByte((byte) 0x4);
   // fixed value property type = 19
   sink.putByte((byte) 0x13);
   // FIXME: skip funnel of length
   sink.putLong(message.xid);
   // fixed value property statsType = 65535
   sink.putShort((short) 0xffff);
   OFStatsReplyFlagsSerializerVer13.putTo(message.flags, sink);
   // skip pad (4 bytes)
   // fixed value property experimenter = 0x5c16c7L
   sink.putInt(0x5c16c7);
   // fixed value property subtype = 0x5L
   sink.putInt(0x5);
   FunnelUtils.putList(message.entries, sink);
 }