tcpdump: listening on enp62s0u1u4, link-type EN10MB (Ethernet), capture size 262144 bytes 05:44:02.086711 IP6 (flowlabel 0x91a5a, hlim 64, next-header TCP (6) payload length: 40) 2001:41d0:fe0b:8000:9a64:ff80:35b8:7d03.60056 > 2a04:4e42:9::223.443: Flags [S], cksum 0xa71f (incorrect -> 0xaff0), seq 381705055, win 27920, options [mss 1396,sackOK,TS val 3208799896 ecr 0,nop,wscale 7], length 0 05:44:02.140275 IP6 (flowlabel 0xdafee, hlim 57, next-header TCP (6) payload length: 40) 2a04:4e42:9::223.443 > 2001:41d0:fe0b:8000:9a64:ff80:35b8:7d03.60056: Flags [S.], cksum 0xdc44 (correct), seq 1546151322, ack 381705056, win 27360, options [mss 1380,sackOK,TS val 216598317 ecr 3208799896,nop,wscale 9], length 0 05:44:02.140357 IP6 (flowlabel 0x91a5a, hlim 64, next-header TCP (6) payload length: 32) 2001:41d0:fe0b:8000:9a64:ff80:35b8:7d03.60056 > 2a04:4e42:9::223.443: Flags [.], cksum 0xa717 (incorrect -> 0x7493), seq 1, ack 1, win 219, options [nop,nop,TS val 3208799949 ecr 216598317], length 0 05:44:02.184162 IP6 (flowlabel 0x91a5a, hlim 64, next-header TCP (6) payload length: 233) 2001:41d0:fe0b:8000:9a64:ff80:35b8:7d03.60056 > 2a04:4e42:9::223.443: Flags [P.], cksum 0xa7e0 (incorrect -> 0x15a1), seq 1:202, ack 1, win 219, options [nop,nop,TS val 3208799993 ecr 216598317], length 201 05:44:02.241730 IP6 (flowlabel 0xdafee, hlim 57, next-header TCP (6) payload length: 1380) 2a04:4e42:9::223.443 > 2001:41d0:fe0b:8000:9a64:ff80:35b8:7d03.60056: Flags [.], cksum 0xfeb8 (correct), seq 1:1349, ack 202, win 56, options [nop,nop,TS val 216598342 ecr 3208799993], length 1348 05:44:02.241838 IP6 (flowlabel 0x91a5a, hlim 64, next-header TCP (6) payload length: 32) 2001:41d0:fe0b:8000:9a64:ff80:35b8:7d03.60056 > 2a04:4e42:9::223.443: Flags [.], cksum 0xa717 (incorrect -> 0x6df2), seq 202, ack 1349, win 240, options [nop,nop,TS val 3208800051 ecr 216598342], length 0 05:44:02.242765 IP6 (flowlabel 0xdaf02, hlim 57, next-header TCP (6) payload length: 2472) 2a04:4e42:9::223.443 > 2001:41d0:fe0b:8000:9a64:ff80:35b8:7d03.60056: Flags [P.], cksum 0xb09f (incorrect -> 0x9b37), seq 1349:3789, ack 202, win 56, options [nop,nop,TS val 216598342 ecr 3208799993], length 2440 05:44:02.242819 IP6 (flowlabel 0x91a5a, hlim 64, next-header TCP (6) payload length: 32) 2001:41d0:fe0b:8000:9a64:ff80:35b8:7d03.60056 > 2a04:4e42:9::223.443: Flags [.], cksum 0xa717 (incorrect -> 0x6443), seq 202, ack 3789, win 278, options [nop,nop,TS val 3208800052 ecr 216598342], length 0 05:44:02.244262 IP6 (flowlabel 0x91a5a, hlim 64, next-header TCP (6) payload length: 158) 2001:41d0:fe0b:8000:9a64:ff80:35b8:7d03.60056 > 2a04:4e42:9::223.443: Flags [P.], cksum 0xa795 (incorrect -> 0x35ea), seq 202:328, ack 3789, win 278, options [nop,nop,TS val 3208800053 ecr 216598342], length 126 05:44:02.296568 IP6 (flowlabel 0x42594, hlim 57, next-header TCP (6) payload length: 20) 2a04:4e42:9::223.443 > 2001:41d0:fe0b:8000:9a64:ff80:35b8:7d03.60056: Flags [R], cksum 0x4c0c (correct), seq 1546155111, win 0, length 0 05:44:02.298896 IP6 (flowlabel 0x42594, hlim 57, next-header TCP (6) payload length: 20) 2a04:4e42:9::223.443 > 2001:41d0:fe0b:8000:9a64:ff80:35b8:7d03.60056: Flags [R], cksum 0x4c0c (correct), seq 1546155111, win 0, length 0 05:44:02.496722 IP6 (flowlabel 0xdafee, hlim 57, next-header TCP (6) payload length: 1124) 2a04:4e42:9::223.443 > 2001:41d0:fe0b:8000:9a64:ff80:35b8:7d03.60056: Flags [P.], cksum 0xc107 (correct), seq 2697:3789, ack 202, win 56, options [nop,nop,TS val 216598406 ecr 3208800051], length 1092 05:44:02.496777 IP6 (flowlabel 0xf3509, hlim 64, next-header TCP (6) payload length: 20) 2001:41d0:fe0b:8000:9a64:ff80:35b8:7d03.60056 > 2a04:4e42:9::223.443: Flags [R], cksum 0xa70b (incorrect -> 0xa9b2), seq 381705257, win 0, length 0 05:44:02.824027 IP6 (flowlabel 0x7cd00, hlim 57, next-header TCP (6) payload length: 1380) 2a04:4e42:9::223.443 > 2001:41d0:fe0b:8000:9a64:ff80:35b8:7d03.60056: Flags [.], cksum 0x428a (correct), seq 1349:2697, ack 202, win 56, options [nop,nop,TS val 216598488 ecr 3208800051], length 1348 05:44:02.824084 IP6 (flowlabel 0xf3509, hlim 64, next-header TCP (6) payload length: 20) 2001:41d0:fe0b:8000:9a64:ff80:35b8:7d03.60056 > 2a04:4e42:9::223.443: Flags [R], cksum 0xa70b (incorrect -> 0xa9b2), seq 381705257, win 0, length 0 05:44:03.431547 IP6 (flowlabel 0xcf603, hlim 57, next-header TCP (6) payload length: 1380) 2a04:4e42:9::223.443 > 2001:41d0:fe0b:8000:9a64:ff80:35b8:7d03.60056: Flags [.], cksum 0x41f2 (correct), seq 1349:2697, ack 202, win 56, options [nop,nop,TS val 216598640 ecr 3208800051], length 1348 05:44:03.431590 IP6 (flowlabel 0xf3509, hlim 64, next-header TCP (6) payload length: 20) 2001:41d0:fe0b:8000:9a64:ff80:35b8:7d03.60056 > 2a04:4e42:9::223.443: Flags [R], cksum 0xa70b (incorrect -> 0xa9b2), seq 381705257, win 0, length 0 05:44:04.651491 IP6 (flowlabel 0x44f02, hlim 57, next-header TCP (6) payload length: 1380) 2a04:4e42:9::223.443 > 2001:41d0:fe0b:8000:9a64:ff80:35b8:7d03.60056: Flags [.], cksum 0x40c1 (correct), seq 1349:2697, ack 202, win 56, options [nop,nop,TS val 216598945 ecr 3208800051], length 1348 05:44:04.651534 IP6 (flowlabel 0xf3509, hlim 64, next-header TCP (6) payload length: 20) 2001:41d0:fe0b:8000:9a64:ff80:35b8:7d03.60056 > 2a04:4e42:9::223.443: Flags [R], cksum 0xa70b (incorrect -> 0xa9b2), seq 381705257, win 0, length 0 05:44:07.080227 IP6 (flowlabel 0x13602, hlim 57, next-header TCP (6) payload length: 1056) 2a04:4e42:9::223.443 > 2001:41d0:fe0b:8000:9a64:ff80:35b8:7d03.60056: Flags [.], cksum 0x6061 (correct), seq 1349:2373, ack 202, win 56, options [nop,nop,TS val 216599552 ecr 3208800051], length 1024 05:44:07.080272 IP6 (flowlabel 0xf3509, hlim 64, next-header TCP (6) payload length: 20) 2001:41d0:fe0b:8000:9a64:ff80:35b8:7d03.60056 > 2a04:4e42:9::223.443: Flags [R], cksum 0xa70b (incorrect -> 0xa9b2), seq 381705257, win 0, length 0 21 packets captured 21 packets received by filter 0 packets dropped by kernel