Public bug reported:
trace output is:
_______ ether type 0x0006 @nh,0,320 0x1af810102...........
a value of 6 (<=1500) is a 802.3 Header with a Length field.
the Length is 6 Bytes. there are only valid 6 Bytes !!!
please make the trace smarter to use another output for "ether type <=
1500"
show the next 3 Bytes as LLC (DSAP,SSAP,CTL) here it is 0x0001af
Note the proble with the missing leading ZEROs.
show the next 3 Bytes only (total Length is 6)
in this case 0x810102
thanks
Bernie
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: nftables 1.0.9-1ubuntu0.1
ProcVersionSignature: Ubuntu 6.17.0-20.20~24.04.1-generic 6.17.13
Uname: Linux 6.17.0-20-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.8
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Sat Apr 4 17:07:22 2026
InstallationDate: Installed on 2025-11-08 (147 days ago)
InstallationMedia: Ubuntu 24.04.2 LTS "Noble Numbat" - Release amd64 (20250215)
SourcePackage: nftables
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: nftables (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble
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https://bugs.launchpad.net/bugs/2147260
Title:
improve nftables trace output for 802.3 headers
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