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SCTP: Support printing some latest chunk types #995

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SCTP: Support printing some latest chunk types #995

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bf2f21a
SCTP: Support I-DATA chunk
Jul 5, 2022
8fdb9d2
SCTP: Support I-FORWARD chunk
Jul 5, 2022
219462d
SCTP: Support RE-CONFIG chunk
Jul 5, 2022
051b8cf
SCTP: Support ASCONF/-ACK chunk
Jul 5, 2022
7aa44b3
SCTP: Support PAD chunk
Jul 5, 2022
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637 changes: 633 additions & 4 deletions print-sctp.c
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29 changes: 29 additions & 0 deletions tests/TESTLIST
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Expand Up @@ -46,6 +46,35 @@ tcp_rst_data-trunc tcp_rst_data-trunc.pcap tcp_rst_data-trunc.out -v
# TCP
tcp_eight_lowest_weight_flags_set tcp_eight_lowest_weight_flags_set.pcap tcp_eight_lowest_weight_flags_set.out

# SCTP tests
# I-DATA tests
sctp-i-data sctp-i-data.pcap sctp-i-data.out
sctp-i-data-v sctp-i-data.pcap sctp-i-data-v.out -v
sctp-i-data-vv sctp-i-data.pcap sctp-i-data-vv.out -vv

# I-FORWARD tests
sctp-i-forward sctp-i-forward.pcap sctp-i-forward.out
sctp-i-forward-v sctp-i-forward.pcap sctp-i-forward-v.out -v
sctp-i-forward-vv sctp-i-forward.pcap sctp-i-forward-vv.out -vv

# RE-CONFIG tests
sctp-re-config sctp-re-config.pcap sctp-re-config.out
sctp-re-config-v sctp-re-config.pcap sctp-re-config-v.out -v
sctp-re-config-vv sctp-re-config.pcap sctp-re-config-vv.out -vv

# ASCONF tests
sctp-asconf sctp-asconf.pcap sctp-asconf.out
sctp-asconf-v sctp-asconf.pcap sctp-asconf-v.out -v
sctp-asconf-vv sctp-asconf.pcap sctp-asconf-vv.out -vv
sctp-asconf-6 sctp-asconf-6.pcap sctp-asconf-6.out
sctp-asconf-6-v sctp-asconf-6.pcap sctp-asconf-6-v.out -v
sctp-asconf-6-vv sctp-asconf-6.pcap sctp-asconf-6-vv.out -vv

# PAD tests
sctp-pad sctp-pad.pcap sctp-pad.out
sctp-pad-v sctp-pad.pcap sctp-pad-v.out -v
sctp-pad-vv sctp-pad.pcap sctp-pad-vv.out -vv

# BGP tests
bgp_vpn_attrset bgp_vpn_attrset.pcap bgp_vpn_attrset.out -v
mpbgp-linklocal-nexthop mpbgp-linklocal-nexthop.pcap mpbgp-linklocal-nexthop.out -v
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36 changes: 36 additions & 0 deletions tests/sctp-asconf-6-v.out
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@@ -0,0 +1,36 @@
1 2023-05-16 21:07:01.838221 IP6 (class 0x02, flowlabel 0xe0c15, hlim 64, next-header SCTP (132) payload length: 56) 2000::5:1.36296 > 2000::5:2.36297: sctp (1) [INIT] [init tag: 3545157994] [rwnd: 106496] [OS: 10] [MIS: 65535] [init TSN: 1518935751]
2 2023-05-16 21:07:01.838256 IP6 (class 0x02, flowlabel 0x58603, hlim 64, next-header SCTP (132) payload length: 384) 2000::5:4.36297 > 2000::5:1.36296: sctp (1) [INIT ACK] [init tag: 2419719451] [rwnd: 106496] [OS: 5] [MIS: 5] [init TSN: 3794555581]
3 2023-05-16 21:07:01.838267 IP6 (class 0x02, flowlabel 0xe0c15, hlim 64, next-header SCTP (132) payload length: 308) 2000::5:1.36296 > 2000::5:2.36297: sctp (1) [COOKIE ECHO]
4 2023-05-16 21:07:01.838279 IP6 (class 0x02, flowlabel 0x58603, hlim 64, next-header SCTP (132) payload length: 16) 2000::5:4.36297 > 2000::5:1.36296: sctp (1) [COOKIE ACK]
5 2023-05-16 21:07:01.838290 IP6 (class 0x02, flowlabel 0xe0c15, hlim 64, next-header SCTP (132) payload length: 40) 2000::5:1.36296 > 2000::5:2.36297: sctp (1) [DATA] (B)(E) [TSN: 1518935751] [SID: 0] [SSEQ 0] [PPID 0x0]
6 2023-05-16 21:07:01.838295 IP6 (class 0x02, flowlabel 0x58603, hlim 64, next-header SCTP (132) payload length: 28) 2000::5:4.36297 > 2000::5:1.36296: sctp (1) [SACK] [cum ack 1518935751] [a_rwnd 106486] [#gap acks 0] [#dup tsns 0]
7 2023-05-16 21:07:01.838366 IP6 (class 0x02, flowlabel 0x58603, hlim 64, next-header SCTP (132) payload length: 40) 2000::5:4.36297 > 2000::5:1.36296: sctp (1) [DATA] (B)(E) [TSN: 3794555581] [SID: 0] [SSEQ 0] [PPID 0x0]
8 2023-05-16 21:07:01.838373 IP6 (class 0x02, flowlabel 0xe0c15, hlim 64, next-header SCTP (132) payload length: 28) 2000::5:1.36296 > 2000::5:2.36297: sctp (1) [SACK] [cum ack 3794555581] [a_rwnd 106486] [#gap acks 0] [#dup tsns 0]
9 2023-05-16 21:07:01.838446 IP6 (class 0x02, flowlabel 0xe0c15, hlim 64, next-header SCTP (132) payload length: 68) 2000::5:1.36296 > 2000::5:2.36297: sctp (1) [ASCONF] [SEQ: 1518935751, ADDR: 2000::5:1] [ADD ADDR]
10 2023-05-16 21:07:01.838458 IP6 (class 0x02, flowlabel 0x58603, hlim 64, next-header SCTP (132) payload length: 20) 2000::5:4.36297 > 2000::5:1.36296: sctp (1) [ASCONF-ACK] [SEQ: 1518935751]
11 2023-05-16 21:07:01.838460 IP6 (class 0x02, flowlabel 0xbd008, hlim 64, next-header SCTP (132) payload length: 72) 2000::5:4.36297 > 2000::5:3.36296: sctp (1) [HB REQ]
12 2023-05-16 21:07:01.838473 IP6 (class 0x02, flowlabel 0xdbc67, hlim 64, next-header SCTP (132) payload length: 72) 2000::5:3.36296 > 2000::5:4.36297: sctp (1) [HB ACK]
13 2023-05-16 21:07:01.838482 IP6 (class 0x02, flowlabel 0xb69d3, hlim 64, next-header SCTP (132) payload length: 40) 2000::5:3.36296 > 2000::5:2.36297: sctp (1) [DATA] (B)(E) [TSN: 1518935752] [SID: 0] [SSEQ 1] [PPID 0x0]
14 2023-05-16 21:07:01.838571 IP6 (class 0x02, flowlabel 0x58603, hlim 64, next-header SCTP (132) payload length: 40) 2000::5:4.36297 > 2000::5:1.36296: sctp (1) [DATA] (B)(E) [TSN: 3794555582] [SID: 0] [SSEQ 1] [PPID 0x0]
15 2023-05-16 21:07:01.838657 IP6 (class 0x02, flowlabel 0xb69d3, hlim 64, next-header SCTP (132) payload length: 68) 2000::5:3.36296 > 2000::5:2.36297: sctp (1) [ASCONF] [SEQ: 1518935752, ADDR: 2000::5:3] [SET PRIM ADDR]
16 2023-05-16 21:07:01.838663 IP6 (class 0x02, flowlabel 0xbd008, hlim 64, next-header SCTP (132) payload length: 20) 2000::5:4.36297 > 2000::5:3.36296: sctp (1) [ASCONF-ACK] [SEQ: 1518935752]
17 2023-05-16 21:07:02.042022 IP6 (class 0x02, flowlabel 0xb69d3, hlim 64, next-header SCTP (132) payload length: 72) 2000::5:3.36296 > 2000::5:2.36297: sctp (1) [SACK] [cum ack 3794555582] [a_rwnd 106496] [#gap acks 0] [#dup tsns 0] , (2) [DATA] (B)(E) [TSN: 1518935753] [SID: 0] [SSEQ 2] [PPID 0x0]
18 2023-05-16 21:07:02.042022 IP6 (class 0x02, flowlabel 0xbd008, hlim 64, next-header SCTP (132) payload length: 28) 2000::5:4.36297 > 2000::5:3.36296: sctp (1) [SACK] [cum ack 1518935752] [a_rwnd 106496] [#gap acks 0] [#dup tsns 0]
19 2023-05-16 21:07:02.042090 IP6 (class 0x02, flowlabel 0xbd008, hlim 64, next-header SCTP (132) payload length: 72) 2000::5:4.36297 > 2000::5:3.36296: sctp (1) [SACK] [cum ack 1518935753] [a_rwnd 106496] [#gap acks 0] [#dup tsns 0] , (2) [DATA] (B)(E) [TSN: 3794555583] [SID: 0] [SSEQ 2] [PPID 0x0]
20 2023-05-16 21:07:02.042124 IP6 (class 0x02, flowlabel 0xb69d3, hlim 64, next-header SCTP (132) payload length: 48) 2000::5:3.36296 > 2000::5:2.36297: sctp (1) [DATA] (B)(E) [TSN: 1518935754] [SID: 0] [SSEQ 3] [PPID 0x0]
21 2023-05-16 21:07:02.246022 IP6 (class 0x02, flowlabel 0xb69d3, hlim 64, next-header SCTP (132) payload length: 28) 2000::5:3.36296 > 2000::5:2.36297: sctp (1) [SACK] [cum ack 3794555583] [a_rwnd 106496] [#gap acks 0] [#dup tsns 0]
22 2023-05-16 21:07:02.246022 IP6 (class 0x02, flowlabel 0xbd008, hlim 64, next-header SCTP (132) payload length: 64) 2000::5:4.36297 > 2000::5:3.36296: sctp (1) [SACK] [cum ack 1518935754] [a_rwnd 106496] [#gap acks 0] [#dup tsns 0] , (2) [DATA] (B)(E) [TSN: 3794555584] [SID: 0] [SSEQ 3] [PPID 0x0]
23 2023-05-16 21:07:02.246091 IP6 (class 0x02, flowlabel 0xe0c15, hlim 64, next-header SCTP (132) payload length: 68) 2000::5:1.36296 > 2000::5:2.36297: sctp (1) [ASCONF] [SEQ: 1518935753, ADDR: 2000::5:1] [DEL ADDR]
24 2023-05-16 21:07:02.246099 IP6 (class 0x02, flowlabel 0x58603, hlim 64, next-header SCTP (132) payload length: 20) 2000::5:4.36297 > 2000::5:1.36296: sctp (1) [ASCONF-ACK] [SEQ: 1518935753]
25 2023-05-16 21:07:02.246111 IP6 (class 0x02, flowlabel 0xe0c15, hlim 64, next-header SCTP (132) payload length: 44) 2000::5:1.36296 > 2000::5:2.36297: sctp (1) [DATA] (B)(E) [TSN: 1518935755] [SID: 0] [SSEQ 4] [PPID 0x0]
26 2023-05-16 21:07:02.450049 IP6 (class 0x02, flowlabel 0xe0c15, hlim 64, next-header SCTP (132) payload length: 28) 2000::5:1.36296 > 2000::5:2.36297: sctp (1) [SACK] [cum ack 3794555584] [a_rwnd 106496] [#gap acks 0] [#dup tsns 0]
27 2023-05-16 21:07:02.450029 IP6 (class 0x02, flowlabel 0x58603, hlim 64, next-header SCTP (132) payload length: 60) 2000::5:4.36297 > 2000::5:1.36296: sctp (1) [SACK] [cum ack 1518935755] [a_rwnd 106496] [#gap acks 0] [#dup tsns 0] , (2) [DATA] (B)(E) [TSN: 3794555585] [SID: 0] [SSEQ 4] [PPID 0x0]
28 2023-05-16 21:07:02.450102 IP6 (class 0x02, flowlabel 0xe0c15, hlim 64, next-header SCTP (132) payload length: 20) 2000::5:1.36296 > 2000::5:2.36297: sctp (1) [SHUTDOWN]
29 2023-05-16 21:07:02.450134 IP6 (class 0x02, flowlabel 0x58603, hlim 64, next-header SCTP (132) payload length: 16) 2000::5:4.36297 > 2000::5:1.36296: sctp (1) [SHUTDOWN ACK]
30 2023-05-16 21:07:02.450138 IP6 (class 0x02, flowlabel 0xe0c15, hlim 64, next-header SCTP (132) payload length: 16) 2000::5:1.36296 > 2000::5:2.36297: sctp (1) [SHUTDOWN COMPLETE]
31 2023-05-16 21:07:06.938038 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 32) fe80::f4c7:7eff:fe0f:83fe > 2000::5:4: [icmp6 sum ok] ICMP6, neighbor solicitation, length 32, who has 2000::5:4
source link-address option (1), length 8 (1): f6:c7:7e:0f:83:fe
32 2023-05-16 21:07:06.938050 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 32) fe80::accc:f7ff:fec3:1790 > 2000::5:3: [icmp6 sum ok] ICMP6, neighbor solicitation, length 32, who has 2000::5:3
source link-address option (1), length 8 (1): ae:cc:f7:c3:17:90
33 2023-05-16 21:07:06.938078 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 24) 2000::5:3 > fe80::accc:f7ff:fec3:1790: [icmp6 sum ok] ICMP6, neighbor advertisement, length 24, tgt is 2000::5:3, Flags [solicited]
34 2023-05-16 21:07:06.938074 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 24) 2000::5:4 > fe80::f4c7:7eff:fe0f:83fe: [icmp6 sum ok] ICMP6, neighbor advertisement, length 24, tgt is 2000::5:4, Flags [solicited]
86 changes: 86 additions & 0 deletions tests/sctp-asconf-6-vv.out
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1 2023-05-16 21:07:01.838221 IP6 (class 0x02, flowlabel 0xe0c15, hlim 64, next-header SCTP (132) payload length: 56) 2000::5:1.36296 > 2000::5:2.36297: sctp
1) [INIT] [init tag: 3545157994] [rwnd: 106496] [OS: 10] [MIS: 65535] [init TSN: 1518935751]
2 2023-05-16 21:07:01.838256 IP6 (class 0x02, flowlabel 0x58603, hlim 64, next-header SCTP (132) payload length: 384) 2000::5:4.36297 > 2000::5:1.36296: sctp
1) [INIT ACK] [init tag: 2419719451] [rwnd: 106496] [OS: 5] [MIS: 5] [init TSN: 3794555581]
3 2023-05-16 21:07:01.838267 IP6 (class 0x02, flowlabel 0xe0c15, hlim 64, next-header SCTP (132) payload length: 308) 2000::5:1.36296 > 2000::5:2.36297: sctp
1) [COOKIE ECHO]
4 2023-05-16 21:07:01.838279 IP6 (class 0x02, flowlabel 0x58603, hlim 64, next-header SCTP (132) payload length: 16) 2000::5:4.36297 > 2000::5:1.36296: sctp
1) [COOKIE ACK]
5 2023-05-16 21:07:01.838290 IP6 (class 0x02, flowlabel 0xe0c15, hlim 64, next-header SCTP (132) payload length: 40) 2000::5:1.36296 > 2000::5:2.36297: sctp
1) [DATA] (B)(E) [TSN: 1518935751] [SID: 0] [SSEQ 0] [PPID 0x0] [Payload:
0x0000: 636f 6e6e 6563 7465 6400 connected.]
6 2023-05-16 21:07:01.838295 IP6 (class 0x02, flowlabel 0x58603, hlim 64, next-header SCTP (132) payload length: 28) 2000::5:4.36297 > 2000::5:1.36296: sctp
1) [SACK] [cum ack 1518935751] [a_rwnd 106486] [#gap acks 0] [#dup tsns 0]
7 2023-05-16 21:07:01.838366 IP6 (class 0x02, flowlabel 0x58603, hlim 64, next-header SCTP (132) payload length: 40) 2000::5:4.36297 > 2000::5:1.36296: sctp
1) [DATA] (B)(E) [TSN: 3794555581] [SID: 0] [SSEQ 0] [PPID 0x0] [Payload:
0x0000: 636f 6e6e 6563 7465 6400 connected.]
8 2023-05-16 21:07:01.838373 IP6 (class 0x02, flowlabel 0xe0c15, hlim 64, next-header SCTP (132) payload length: 28) 2000::5:1.36296 > 2000::5:2.36297: sctp
1) [SACK] [cum ack 3794555581] [a_rwnd 106486] [#gap acks 0] [#dup tsns 0]
9 2023-05-16 21:07:01.838446 IP6 (class 0x02, flowlabel 0xe0c15, hlim 64, next-header SCTP (132) payload length: 68) 2000::5:1.36296 > 2000::5:2.36297: sctp
1) [ASCONF] [SEQ: 1518935751, ADDR: 2000::5:1] [ADD ADDR: C-ID: 0, ADDR: 2000::5:3]
10 2023-05-16 21:07:01.838458 IP6 (class 0x02, flowlabel 0x58603, hlim 64, next-header SCTP (132) payload length: 20) 2000::5:4.36297 > 2000::5:1.36296: sctp
1) [ASCONF-ACK] [SEQ: 1518935751]
11 2023-05-16 21:07:01.838460 IP6 (class 0x02, flowlabel 0xbd008, hlim 64, next-header SCTP (132) payload length: 72) 2000::5:4.36297 > 2000::5:3.36296: sctp
1) [HB REQ]
12 2023-05-16 21:07:01.838473 IP6 (class 0x02, flowlabel 0xdbc67, hlim 64, next-header SCTP (132) payload length: 72) 2000::5:3.36296 > 2000::5:4.36297: sctp
1) [HB ACK]
13 2023-05-16 21:07:01.838482 IP6 (class 0x02, flowlabel 0xb69d3, hlim 64, next-header SCTP (132) payload length: 40) 2000::5:3.36296 > 2000::5:2.36297: sctp
1) [DATA] (B)(E) [TSN: 1518935752] [SID: 0] [SSEQ 1] [PPID 0x0] [Payload:
0x0000: 6164 6420 6164 6472 6573 7300 add.address.]
14 2023-05-16 21:07:01.838571 IP6 (class 0x02, flowlabel 0x58603, hlim 64, next-header SCTP (132) payload length: 40) 2000::5:4.36297 > 2000::5:1.36296: sctp
1) [DATA] (B)(E) [TSN: 3794555582] [SID: 0] [SSEQ 1] [PPID 0x0] [Payload:
0x0000: 6164 6420 6164 6472 6573 7300 add.address.]
15 2023-05-16 21:07:01.838657 IP6 (class 0x02, flowlabel 0xb69d3, hlim 64, next-header SCTP (132) payload length: 68) 2000::5:3.36296 > 2000::5:2.36297: sctp
1) [ASCONF] [SEQ: 1518935752, ADDR: 2000::5:3] [SET PRIM ADDR: C-ID: 0, ADDR: 2000::5:3]
16 2023-05-16 21:07:01.838663 IP6 (class 0x02, flowlabel 0xbd008, hlim 64, next-header SCTP (132) payload length: 20) 2000::5:4.36297 > 2000::5:3.36296: sctp
1) [ASCONF-ACK] [SEQ: 1518935752]
17 2023-05-16 21:07:02.042022 IP6 (class 0x02, flowlabel 0xb69d3, hlim 64, next-header SCTP (132) payload length: 72) 2000::5:3.36296 > 2000::5:2.36297: sctp
1) [SACK] [cum ack 3794555582] [a_rwnd 106496] [#gap acks 0] [#dup tsns 0]
2) [DATA] (B)(E) [TSN: 1518935753] [SID: 0] [SSEQ 2] [PPID 0x0] [Payload:
0x0000: 7365 7420 7065 6572 2070 7269 6d61 7279 set.peer.primary
0x0010: 2061 6464 7265 7373 00 .address.]
18 2023-05-16 21:07:02.042022 IP6 (class 0x02, flowlabel 0xbd008, hlim 64, next-header SCTP (132) payload length: 28) 2000::5:4.36297 > 2000::5:3.36296: sctp
1) [SACK] [cum ack 1518935752] [a_rwnd 106496] [#gap acks 0] [#dup tsns 0]
19 2023-05-16 21:07:02.042090 IP6 (class 0x02, flowlabel 0xbd008, hlim 64, next-header SCTP (132) payload length: 72) 2000::5:4.36297 > 2000::5:3.36296: sctp
1) [SACK] [cum ack 1518935753] [a_rwnd 106496] [#gap acks 0] [#dup tsns 0]
2) [DATA] (B)(E) [TSN: 3794555583] [SID: 0] [SSEQ 2] [PPID 0x0] [Payload:
0x0000: 7365 7420 7065 6572 2070 7269 6d61 7279 set.peer.primary
0x0010: 2061 6464 7265 7373 00 .address.]
20 2023-05-16 21:07:02.042124 IP6 (class 0x02, flowlabel 0xb69d3, hlim 64, next-header SCTP (132) payload length: 48) 2000::5:3.36296 > 2000::5:2.36297: sctp
1) [DATA] (B)(E) [TSN: 1518935754] [SID: 0] [SSEQ 3] [PPID 0x0] [Payload:
0x0000: 7365 7420 7072 696d 6172 7920 6164 6472 set.primary.addr
0x0010: 6573 7300 ess.]
21 2023-05-16 21:07:02.246022 IP6 (class 0x02, flowlabel 0xb69d3, hlim 64, next-header SCTP (132) payload length: 28) 2000::5:3.36296 > 2000::5:2.36297: sctp
1) [SACK] [cum ack 3794555583] [a_rwnd 106496] [#gap acks 0] [#dup tsns 0]
22 2023-05-16 21:07:02.246022 IP6 (class 0x02, flowlabel 0xbd008, hlim 64, next-header SCTP (132) payload length: 64) 2000::5:4.36297 > 2000::5:3.36296: sctp
1) [SACK] [cum ack 1518935754] [a_rwnd 106496] [#gap acks 0] [#dup tsns 0]
2) [DATA] (B)(E) [TSN: 3794555584] [SID: 0] [SSEQ 3] [PPID 0x0] [Payload:
0x0000: 7365 7420 7072 696d 6172 7920 6164 6472 set.primary.addr
0x0010: 6573 7300 ess.]
23 2023-05-16 21:07:02.246091 IP6 (class 0x02, flowlabel 0xe0c15, hlim 64, next-header SCTP (132) payload length: 68) 2000::5:1.36296 > 2000::5:2.36297: sctp
1) [ASCONF] [SEQ: 1518935753, ADDR: 2000::5:1] [DEL ADDR: C-ID: 0, ADDR: 2000::5:3]
24 2023-05-16 21:07:02.246099 IP6 (class 0x02, flowlabel 0x58603, hlim 64, next-header SCTP (132) payload length: 20) 2000::5:4.36297 > 2000::5:1.36296: sctp
1) [ASCONF-ACK] [SEQ: 1518935753]
25 2023-05-16 21:07:02.246111 IP6 (class 0x02, flowlabel 0xe0c15, hlim 64, next-header SCTP (132) payload length: 44) 2000::5:1.36296 > 2000::5:2.36297: sctp
1) [DATA] (B)(E) [TSN: 1518935755] [SID: 0] [SSEQ 4] [PPID 0x0] [Payload:
0x0000: 7265 6d6f 7665 2061 6464 7265 7373 00 remove.address.]
26 2023-05-16 21:07:02.450049 IP6 (class 0x02, flowlabel 0xe0c15, hlim 64, next-header SCTP (132) payload length: 28) 2000::5:1.36296 > 2000::5:2.36297: sctp
1) [SACK] [cum ack 3794555584] [a_rwnd 106496] [#gap acks 0] [#dup tsns 0]
27 2023-05-16 21:07:02.450029 IP6 (class 0x02, flowlabel 0x58603, hlim 64, next-header SCTP (132) payload length: 60) 2000::5:4.36297 > 2000::5:1.36296: sctp
1) [SACK] [cum ack 1518935755] [a_rwnd 106496] [#gap acks 0] [#dup tsns 0]
2) [DATA] (B)(E) [TSN: 3794555585] [SID: 0] [SSEQ 4] [PPID 0x0] [Payload:
0x0000: 7265 6d6f 7665 2061 6464 7265 7373 00 remove.address.]
28 2023-05-16 21:07:02.450102 IP6 (class 0x02, flowlabel 0xe0c15, hlim 64, next-header SCTP (132) payload length: 20) 2000::5:1.36296 > 2000::5:2.36297: sctp
1) [SHUTDOWN]
29 2023-05-16 21:07:02.450134 IP6 (class 0x02, flowlabel 0x58603, hlim 64, next-header SCTP (132) payload length: 16) 2000::5:4.36297 > 2000::5:1.36296: sctp
1) [SHUTDOWN ACK]
30 2023-05-16 21:07:02.450138 IP6 (class 0x02, flowlabel 0xe0c15, hlim 64, next-header SCTP (132) payload length: 16) 2000::5:1.36296 > 2000::5:2.36297: sctp
1) [SHUTDOWN COMPLETE]
31 2023-05-16 21:07:06.938038 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 32) fe80::f4c7:7eff:fe0f:83fe > 2000::5:4: [icmp6 sum ok] ICMP6, neighbor solicitation, length 32, who has 2000::5:4
source link-address option (1), length 8 (1): f6:c7:7e:0f:83:fe
0x0000: f6c7 7e0f 83fe
32 2023-05-16 21:07:06.938050 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 32) fe80::accc:f7ff:fec3:1790 > 2000::5:3: [icmp6 sum ok] ICMP6, neighbor solicitation, length 32, who has 2000::5:3
source link-address option (1), length 8 (1): ae:cc:f7:c3:17:90
0x0000: aecc f7c3 1790
33 2023-05-16 21:07:06.938078 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 24) 2000::5:3 > fe80::accc:f7ff:fec3:1790: [icmp6 sum ok] ICMP6, neighbor advertisement, length 24, tgt is 2000::5:3, Flags [solicited]
34 2023-05-16 21:07:06.938074 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 24) 2000::5:4 > fe80::f4c7:7eff:fe0f:83fe: [icmp6 sum ok] ICMP6, neighbor advertisement, length 24, tgt is 2000::5:4, Flags [solicited]
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