[Bug 293227] VNET jail regression on 14-STABLE from 14.3 using bridge and epair

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Newsgroups gmane.os.freebsd.devel.net
Message-ID <[email protected]/bugzilla/> 
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=293227

--- Comment #4 from Tom Hukins <[email protected]> ---
Created attachment 268137
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=268137&action=edit
Packet capture from tcpdump against 14.3 (working)

18:20:55.130196 IP6 fdcc:ac21:2e44:1::1.54479 > fdcc:ac21:2e44::1.9090: Flags
[S], seq 865658072, win 65535, options [mss 1440,nop,wscale 6,sackOK,TS val
3510332589 ecr 0], length 0
18:20:55.130228 IP6 fdcc:ac21:2e44::1.9090 > fdcc:ac21:2e44:1::1.54479: Flags
[S.], seq 304728229, ack 865658073, win 65535, options [mss 1440,nop,wscale
6,sackOK,TS val 565770738 ecr 3510332589], length 0
18:20:55.130267 IP6 fdcc:ac21:2e44:1::1.54479 > fdcc:ac21:2e44::1.9090: Flags
[.], ack 1, win 1035, options [nop,nop,TS val 3510332589 ecr 565770738], length
0
18:20:55.130337 IP6 fdcc:ac21:2e44:1::1.54479 > fdcc:ac21:2e44::1.9090: Flags
[F.], seq 1, ack 1, win 1035, options [nop,nop,TS val 3510332589 ecr
565770738], length 0
18:20:55.130345 IP6 fdcc:ac21:2e44::1.9090 > fdcc:ac21:2e44:1::1.54479: Flags
[.], ack 2, win 1035, options [nop,nop,TS val 565770738 ecr 3510332589], length
0
18:20:55.130710 IP6 fdcc:ac21:2e44::1.9090 > fdcc:ac21:2e44:1::1.54479: Flags
[.], seq 1:1429, ack 2, win 1035, options [nop,nop,TS val 565770738 ecr
3510332589], length 1428
18:20:55.130748 IP6 fdcc:ac21:2e44:: > fdcc:ac21:2e44::1: ICMP6, packet too
big, mtu 1420, length 1240
18:20:55.130774 IP6 fdcc:ac21:2e44::1.9090 > fdcc:ac21:2e44:1::1.54479: Flags
[.], seq 1429:2857, ack 2, win 1035, options [nop,nop,TS val 565770738 ecr
3510332589], length 1428
18:20:55.130778 IP6 fdcc:ac21:2e44::1.9090 > fdcc:ac21:2e44:1::1.54479: Flags
[.], seq 2857:4285, ack 2, win 1035, options [nop,nop,TS val 565770738 ecr
3510332589], length 1428
18:20:55.130781 IP6 fdcc:ac21:2e44::1.9090 > fdcc:ac21:2e44:1::1.54479: Flags
[.], seq 4285:5713, ack 2, win 1035, options [nop,nop,TS val 565770738 ecr
3510332589], length 1428
18:20:55.130784 IP6 fdcc:ac21:2e44::1.9090 > fdcc:ac21:2e44:1::1.54479: Flags
[.], seq 5713:7141, ack 2, win 1035, options [nop,nop,TS val 565770738 ecr
3510332589], length 1428
18:20:55.130787 IP6 fdcc:ac21:2e44::1.9090 > fdcc:ac21:2e44:1::1.54479: Flags
[.], seq 7141:8569, ack 2, win 1035, options [nop,nop,TS val 565770738 ecr
3510332589], length 1428
18:20:55.130791 IP6 fdcc:ac21:2e44::1.9090 > fdcc:ac21:2e44:1::1.54479: Flags
[.], seq 8569:9997, ack 2, win 1035, options [nop,nop,TS val 565770738 ecr
3510332589], length 1428
18:20:55.130794 IP6 fdcc:ac21:2e44::1.9090 > fdcc:ac21:2e44:1::1.54479: Flags
[.], seq 9997:11425, ack 2, win 1035, options [nop,nop,TS val 565770738 ecr
3510332589], length 1428
18:20:55.130798 IP6 fdcc:ac21:2e44::1.9090 > fdcc:ac21:2e44:1::1.54479: Flags
[.], seq 11425:12853, ack 2, win 1035, options [nop,nop,TS val 565770738 ecr
3510332589], length 1428
18:20:55.130801 IP6 fdcc:ac21:2e44::1.9090 > fdcc:ac21:2e44:1::1.54479: Flags
[.], seq 12853:14281, ack 2, win 1035, options [nop,nop,TS val 565770738 ecr
3510332589], length 1428
18:20:55.130810 IP6 fdcc:ac21:2e44::1.9090 > fdcc:ac21:2e44:1::1.54479: Flags
[.], seq 1:1349, ack 2, win 1035, options [nop,nop,TS val 565770738 ecr
3510332589], length 1348
18:20:55.130813 IP6 fdcc:ac21:2e44::1.9090 > fdcc:ac21:2e44:1::1.54479: Flags
[.], seq 1349:2697, ack 2, win 1035, options [nop,nop,TS val 565770738 ecr
3510332589], length 1348
18:20:55.130816 IP6 fdcc:ac21:2e44::1.9090 > fdcc:ac21:2e44:1::1.54479: Flags
[.], seq 2697:4045, ack 2, win 1035, options [nop,nop,TS val 565770738 ecr
3510332589], length 1348
18:20:55.130818 IP6 fdcc:ac21:2e44::1.9090 > fdcc:ac21:2e44:1::1.54479: Flags
[.], seq 4045:5393, ack 2, win 1035, options [nop,nop,TS val 565770738 ecr
3510332589], length 1348
18:20:55.130821 IP6 fdcc:ac21:2e44::1.9090 > fdcc:ac21:2e44:1::1.54479: Flags
[.], seq 5393:6741, ack 2, win 1035, options [nop,nop,TS val 565770738 ecr
3510332589], length 1348
18:20:55.130823 IP6 fdcc:ac21:2e44::1.9090 > fdcc:ac21:2e44:1::1.54479: Flags
[.], seq 6741:8089, ack 2, win 1035, options [nop,nop,TS val 565770738 ecr
3510332589], length 1348
18:20:55.130825 IP6 fdcc:ac21:2e44::1.9090 > fdcc:ac21:2e44:1::1.54479: Flags
[.], seq 8089:9437, ack 2, win 1035, options [nop,nop,TS val 565770738 ecr
3510332589], length 1348
18:20:55.130828 IP6 fdcc:ac21:2e44::1.9090 > fdcc:ac21:2e44:1::1.54479: Flags
[.], seq 9437:10785, ack 2, win 1035, options [nop,nop,TS val 565770738 ecr
3510332589], length 1348
18:20:55.130830 IP6 fdcc:ac21:2e44::1.9090 > fdcc:ac21:2e44:1::1.54479: Flags
[.], seq 10785:12133, ack 2, win 1035, options [nop,nop,TS val 565770738 ecr
3510332589], length 1348
18:20:55.130833 IP6 fdcc:ac21:2e44::1.9090 > fdcc:ac21:2e44:1::1.54479: Flags
[.], seq 12133:13481, ack 2, win 1035, options [nop,nop,TS val 565770738 ecr
3510332589], length 1348
18:20:55.130836 IP6 fdcc:ac21:2e44::1.9090 > fdcc:ac21:2e44:1::1.54479: Flags
[.], seq 13481:14281, ack 2, win 1035, options [nop,nop,TS val 565770738 ecr
3510332589], length 800
18:20:55.130931 IP6 fdcc:ac21:2e44:: > fdcc:ac21:2e44::1: ICMP6, packet too
big, mtu 1420, length 1240
18:20:55.130935 IP6 fdcc:ac21:2e44:: > fdcc:ac21:2e44::1: ICMP6, packet too
big, mtu 1420, length 1240
18:20:55.130937 IP6 fdcc:ac21:2e44:: > fdcc:ac21:2e44::1: ICMP6, packet too
big, mtu 1420, length 1240
18:20:55.130939 IP6 fdcc:ac21:2e44:: > fdcc:ac21:2e44::1: ICMP6, packet too
big, mtu 1420, length 1240
18:20:55.130942 IP6 fdcc:ac21:2e44:: > fdcc:ac21:2e44::1: ICMP6, packet too
big, mtu 1420, length 1240
18:20:55.130944 IP6 fdcc:ac21:2e44:: > fdcc:ac21:2e44::1: ICMP6, packet too
big, mtu 1420, length 1240
18:20:55.130946 IP6 fdcc:ac21:2e44:: > fdcc:ac21:2e44::1: ICMP6, packet too
big, mtu 1420, length 1240
18:20:55.130948 IP6 fdcc:ac21:2e44:: > fdcc:ac21:2e44::1: ICMP6, packet too
big, mtu 1420, length 1240
18:20:55.130950 IP6 fdcc:ac21:2e44:: > fdcc:ac21:2e44::1: ICMP6, packet too
big, mtu 1420, length 1240
18:20:55.130994 IP6 fdcc:ac21:2e44:1::1.54479 > fdcc:ac21:2e44::1.9090: Flags
[.], ack 2697, win 993, options [nop,nop,TS val 3510332589 ecr 565770738],
length 0
18:20:55.130999 IP6 fdcc:ac21:2e44::1.9090 > fdcc:ac21:2e44:1::1.54479: Flags
[.], seq 14281:15629, ack 2, win 1035, options [nop,nop,TS val 565770738 ecr
3510332589], length 1348
18:20:55.131001 IP6 fdcc:ac21:2e44:1::1.54479 > fdcc:ac21:2e44::1.9090: Flags
[.], ack 5393, win 951, options [nop,nop,TS val 3510332589 ecr 565770738],
length 0
18:20:55.131004 IP6 fdcc:ac21:2e44:1::1.54479 > fdcc:ac21:2e44::1.9090: Flags
[.], ack 8089, win 909, options [nop,nop,TS val 3510332589 ecr 565770738],
length 0
18:20:55.131005 IP6 fdcc:ac21:2e44:1::1.54479 > fdcc:ac21:2e44::1.9090: Flags
[.], ack 10785, win 867, options [nop,nop,TS val 3510332589 ecr 565770738],
length 0
18:20:55.131007 IP6 fdcc:ac21:2e44:1::1.54479 > fdcc:ac21:2e44::1.9090: Flags
[.], ack 13481, win 825, options [nop,nop,TS val 3510332589 ecr 565770738],
length 0
18:20:55.131018 IP6 fdcc:ac21:2e44:1::1.54479 > fdcc:ac21:2e44::1.9090: Flags
[.], ack 15629, win 792, options [nop,nop,TS val 3510332589 ecr 565770738],
length 0
18:20:55.131022 IP6 fdcc:ac21:2e44::1.9090 > fdcc:ac21:2e44:1::1.54479: Flags
[P.], seq 15629:16385, ack 2, win 1035, options [nop,nop,TS val 565770738 ecr
3510332589], length 756
18:20:55.131119 IP6 fdcc:ac21:2e44::1.9090 > fdcc:ac21:2e44:1::1.54479: Flags
[F.], seq 16385, ack 2, win 1035, options [nop,nop,TS val 565770738 ecr
3510332589], length 0
18:20:55.131150 IP6 fdcc:ac21:2e44:1::1.54479 > fdcc:ac21:2e44::1.9090: Flags
[.], ack 16386, win 1035, options [nop,nop,TS val 3510332589 ecr 565770738],
length 0

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