jeu. févr. 22 09:16:57 root@vps-de:/etc/swanctl # tcpdump -s0 -n esp -i vmbr0 -vv
tcpdump: listening on vmbr0, link-type EN10MB (Ethernet), snapshot length 262144 bytes


09:17:02.382081 IP (tos 0x10, ttl 50, id 0, offset 0, flags [DF], proto ESP (50), length 156)
    57.128.171.43 > 135.125.133.51: ESP(spi=0xc634d318,seq=0x259), length 136
09:17:02.382695 IP (tos 0x10, ttl 64, id 0, offset 0, flags [DF], proto ESP (50), length 156)
    135.125.133.51 > 57.128.171.43: ESP(spi=0xc523a7d2,seq=0x332), length 136
09:17:02.395696 IP (tos 0x10, ttl 50, id 0, offset 0, flags [DF], proto ESP (50), length 124)
    57.128.171.43 > 135.125.133.51: ESP(spi=0xc634d318,seq=0x25a), length 104