src ip:192.168.1.2
dst ip:192.168.1.1
query:
  0x0000 : 0D EF AC ED 01 00 00 00 12 34 56 78 00 00 00 00 : .........4Vx....
  0x0010 : 00 00 00 00 00 00 01 BB                                          : ........
response:
  0x0000 : 0D EF AC ED 12 34 56 78 02 00 00 00 00 00 00 00 : .....4Vx........
  0x0010 : 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 : ................
  0x0020 : 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 : ................
  0x0030 : 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 : ................
  0x0040 : 00 00 00 00 00 FF 00 00 00 00 00 00 00 00 00 00 : ................
  0x0050 : 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 : ................
  0x0060 : 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 : ................
  0x0070 : 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 : ................
  0x0080 : 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 : ................
This connection is not (no longer?) in the cache.