) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 61HIakex098447 for ; Tue, 17 Feb 2026 18:36:46 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 61HIakZF098446 for net@FreeBSD.org; Tue, 17 Feb 2026 18:36:46 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 293227] VNET jail regression on 14-STABLE from 14.3 using bridge and epair Date: Tue, 17 Feb 2026 18:36:46 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 14.3-STABLE X-Bugzilla-Keywords: regression X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: tom@eborcom.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.created Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D293227 --- Comment #4 from Tom Hukins --- Created attachment 268137 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D268137&action= =3Dedit Packet capture from tcpdump against 14.3 (working) 18:20:55.130196 IP6 fdcc:ac21:2e44:1::1.54479 > fdcc:ac21:2e44::1.9090: Fla= gs [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: Fla= gs [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: Fla= gs [.], ack 1, win 1035, options [nop,nop,TS val 3510332589 ecr 565770738], le= ngth 0 18:20:55.130337 IP6 fdcc:ac21:2e44:1::1.54479 > fdcc:ac21:2e44::1.9090: Fla= gs [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: Fla= gs [.], ack 2, win 1035, options [nop,nop,TS val 565770738 ecr 3510332589], le= ngth 0 18:20:55.130710 IP6 fdcc:ac21:2e44::1.9090 > fdcc:ac21:2e44:1::1.54479: Fla= gs [.], 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: Fla= gs [.], 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: Fla= gs [.], 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: Fla= gs [.], 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: Fla= gs [.], 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: Fla= gs [.], 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: Fla= gs [.], 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: Fla= gs [.], 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: Fla= gs [.], 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: Fla= gs [.], 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: Fla= gs [.], 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: Fla= gs [.], 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: Fla= gs [.], 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: Fla= gs [.], 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: Fla= gs [.], 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: Fla= gs [.], 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: Fla= gs [.], 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: Fla= gs [.], 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: Fla= gs [.], 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: Fla= gs [.], 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: Fla= gs [.], 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: Fla= gs [.], 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: Fla= gs [.], 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: Fla= gs [.], 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: Fla= gs [.], 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: Fla= gs [.], 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: Fla= gs [.], 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: Fla= gs [.], 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: Fla= gs [P.], seq 15629:16385, ack 2, win 1035, options [nop,nop,TS val 565770738 e= cr 3510332589], length 756 18:20:55.131119 IP6 fdcc:ac21:2e44::1.9090 > fdcc:ac21:2e44:1::1.54479: Fla= gs [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: Fla= gs [.], ack 16386, win 1035, options [nop,nop,TS val 3510332589 ecr 565770738], length 0 --=20 You are receiving this mail because: You are the assignee for the bug.=