jeu. févr. 22 10:39:06 root@vps-uk:/etc/swanctl # tcpdump -s0 -n esp -i vmbr0 -vv
tcpdump: listening on vmbr0, link-type EN10MB (Ethernet), snapshot length 262144 bytes
10:39:37.957354 IP (tos 0x0, ttl 50, id 50484, offset 0, flags [DF], proto ESP (50), length 156)
    135.125.133.51 > 57.128.171.43: ESP(spi=0xc423b674,seq=0x1), length 136
10:39:37.957449 IP (tos 0x0, ttl 50, id 50485, offset 0, flags [DF], proto ESP (50), length 156)
    135.125.133.51 > 57.128.171.43: ESP(spi=0xc423b674,seq=0x2), length 136