contrib/tcpdump/tests/esp0.out

   1 IP 192.1.2.23 > 192.1.2.45: ESP(spi=0x12345678,seq=0x1), length 116
   2 IP 192.1.2.23 > 192.1.2.45: ESP(spi=0x12345678,seq=0x2), length 116
   3 IP 192.1.2.23 > 192.1.2.45: ESP(spi=0x12345678,seq=0x3), length 116
   4 IP 192.1.2.23 > 192.1.2.45: ESP(spi=0x12345678,seq=0x4), length 116
   5 IP 192.1.2.23 > 192.1.2.45: ESP(spi=0x12345678,seq=0x5), length 116
   6 IP 192.1.2.23 > 192.1.2.45: ESP(spi=0x12345678,seq=0x6), length 116
   7 IP 192.1.2.23 > 192.1.2.45: ESP(spi=0x12345678,seq=0x7), length 116
   8 IP 192.1.2.23 > 192.1.2.45: ESP(spi=0x12345678,seq=0x8), length 116