root@amphora-68763f18-d4cc-44eb-b291-5ac72f4b8b31:~# tcpdump -n not port ssh -vvv -X tcpdump: listening on ens3, link-type EN10MB (Ethernet), capture size 262144 bytes 08:47:09.634797 IP (tos 0x0, ttl 64, id 55154, offset 0, flags [DF], proto UDP (17), length 341) 172.31.255.233.1907 > 172.31.255.4.5555: [bad udp cksum 0x5880 -> 0xce1d!] UDP, length 313 0x0000: 4500 0155 d772 4000 4011 0af8 ac1f ffe9 E..U.r@.@....... 0x0010: ac1f ff04 0773 15b3 0141 5880 78da 9d90 .....s...AX.x... 0x0020: cb4e 0331 0c45 7fa5 ca1a 4b71 ecbc ba67 .N.1.E....Kq...g 0x0030: 0bdd f001 794a 95da 0ecc 0c08 a99a 7fc7 ....yJ.......... 0x0040: 9d4e 056b 56b9 beba 768e 7d55 c7aa f63b .N.kV...v.}U...; 0x0050: e582 77d4 3140 e552 80b9 65c8 2622 d854 ..w.1@.R..e.&".T 0x0060: bce9 9c43 2654 4f3b 35b5 0f89 074d a24f ...C&TO;5....M.O 0x0070: c769 6e97 364e e25c 1513 93d6 ccc0 8502 .in.6N.\........ 0x0080: 3076 8490 aa28 6d98 8bed 1d59 afc1 694e 0v...(m....Y..iN 0x0090: f3e7 ad47 bd1e 9e5f d6a1 e2dc 87cc dff2 ...G..._........ 0x00a0: 68b1 c687 28c3 e532 6d7a 1ee6 bf65 1b57 h...(..2mz...e.W 0x00b0: 18bd 2c8b 54ef c370 da48 5a72 35f7 0416 ..,.T..p.HZr5... 0x00c0: 13ca ff59 4872 ea90 3162 71b6 4563 dcfe ...YHr..1bq.Ec.. 0x00d0: 1fb8 6f87 1bec b99d f363 e7ae 3ba5 6803 ..o......c..;.h. 0x00e0: 04b9 1230 1582 5872 93d3 2593 089b af26 ...0..Xr..%....& 0x00f0: fc76 669f c978 ea60 ac73 c0c1 0a92 6d05 .vf..x.`.s....m. 0x0100: 62b0 b538 e44a 1eb7 f47d a5af 364a 4dcb b..8.J...}..6JM. 0x0110: 0f14 cc6f 6937 3262 6630 3939 3566 3266 ...oi72bf0995f2f 0x0120: 6261 6164 3235 6432 6332 6136 3763 3662 baad25d2c2a67c6b 0x0130: 3439 6466 3535 6266 3737 3432 6566 3537 49df55bf7742ef57 0x0140: 6534 3830 6339 3030 3365 3132 3063 3338 e480c9003e120c38 0x0150: 6661 6339 39 fac99 08:47:19.645772 IP (tos 0x0, ttl 64, id 1208, offset 0, flags [DF], proto UDP (17), length 341) 172.31.255.233.1907 > 172.31.255.2.5555: [bad udp cksum 0x587e -> 0x7c17!] UDP, length 313 0x0000: 4500 0155 04b8 4000 4011 ddb4 ac1f ffe9 E..U..@.@....... 0x0010: ac1f ff02 0773 15b3 0141 587e 78da 9d90 .....s...AX~x... 0x0020: cb4e 0331 0c45 7fa5 ca1a 4b71 ecbc ba67 .N.1.E....Kq...g 0x0030: 0bdd f001 794a 95da 0ecc 0c08 a99a 7fc7 ....yJ.......... 0x0040: 9d4e 056b 56b9 beba 768e 7d55 c7aa f63b .N.kV...v.}U...; 0x0050: e582 77d4 3140 e552 80b9 65c8 2622 d854 ..w.1@.R..e.&".T 0x0060: bce9 9c43 2654 4f3b 35b5 0f89 07cd a24f ...C&TO;5......O 0x0070: c769 6e97 364e e25c 1513 93d6 ccc0 8502 .in.6N.\........ 0x0080: 3076 8490 aa28 6d98 8bed 1d59 afc1 694e 0v...(m....Y..iN 0x0090: f3e7 ad47 bd1e 9e5f d6a1 e2dc 87cc dff2 ...G..._........ 0x00a0: 68b1 c687 28c3 e532 6d7a 1ee6 bf65 1b57 h...(..2mz...e.W 0x00b0: 18bd 2c8b 54ef c370 da48 5a72 35f7 0416 ..,.T..p.HZr5... 0x00c0: 13ca ff59 4872 ea90 3162 71b6 4563 dcfe ...YHr..1bq.Ec.. 0x00d0: 1fb8 6f87 1bec b99d f363 e7ae 3ba5 6803 ..o......c..;.h. 0x00e0: 04b9 1230 1582 5872 93d3 2593 089b af26 ...0..Xr..%....& 0x00f0: fc76 669f c978 ea60 ac73 c0c1 0a92 6d05 .vf..x.`.s....m. 0x0100: 62b0 b538 e44a 1eb7 f47d a5af 364a 4dcb b..8.J...}..6JM. 0x0110: 0f16 396f 6a66 6362 3836 6431 3732 3937 ..9ojfcb86d17297 0x0120: 6335 3562 6435 3134 3437 6637 3963 3461 c55bd51447f79c4a 0x0130: 3965 3537 3132 3130 6635 6664 6236 3333 9e571210f5fdb633 0x0140: 6631 6162 3836 3961 3636 3031 6136 3533 f1ab869a6601a653 0x0150: 6562 3361 33 eb3a3 08:47:29.655669 IP (tos 0x0, ttl 64, id 62377, offset 0, flags [DF], proto UDP (17), length 341) 172.31.255.233.1907 > 172.31.255.3.5555: [bad udp cksum 0x587f -> 0x39f8!] UDP, length 313 0x0000: 4500 0155 f3a9 4000 4011 eec1 ac1f ffe9 E..U..@.@....... 0x0010: ac1f ff03 0773 15b3 0141 587f 78da 9d90 .....s...AX.x... 0x0020: cb4e 0331 0c45 7fa5 ca1a 4b71 ecbc ba67 .N.1.E....Kq...g 0x0030: 0bdd f001 794a 95da 0ecc 0c08 a99a 7fc7 ....yJ.......... 0x0040: 9d4e 056b 56b9 beba 768e 7d55 c7aa f63b .N.kV...v.}U...; 0x0050: e582 77d4 3140 e552 80b9 65c8 2622 d854 ..w.1@.R..e.&".T 0x0060: bce9 9c43 2654 4f3b 35b5 0f89 076d 459f ...C&TO;5....mE. 0x0070: 8ed3 dc2e 6d9c c4b9 2a26 26ad 9981 0b05 ....m...*&&..... 0x0080: 60ec 0821 5551 da30 17db 3bb2 5e83 d39c `..!UQ.0..;.^... 0x0090: e6cf 5b8f 7a3d 3cbf ac43 c5b9 0f99 bfe5 ..[.z=<..C...... 0x00a0: d162 8d0f 5186 cb65 daf4 3ccc 7fcb 36ae .b..Q..e..<...6. 0x00b0: 307a 5916 a9de 87e1 b491 b4e4 6aee 092c 0zY.........j.., 0x00c0: 2694 ffb3 90e4 d421 63c4 e26c 8bc6 b8fd &......!c..l.... 0x00d0: 3f70 df0e 37d8 733b e7c7 ce5d 774a d106 ?p..7.s;...]wJ.. 0x00e0: 0872 2560 2a04 b1e4 26a7 4b26 1136 5f4d .r%`*...&.K&.6_M 0x00f0: f8ed cc3e 93f1 d4c1 58e7 8083 1524 db0a ...>....X....$.. 0x0100: c460 6b71 c895 3c6e e9fb 4a5f 6d94 9a96 .`kq..