[Bug 2147607] [NEW] [resolute] conntrack - FTP tests failing with 7.0.0 kernel

[Frode Nordahl]

Public bug reported:

There appears to be a change of behavior in the 7.0.0 kernel making the
Open vSwitch conntrack FTP tests fail.

Typical failure mode:
--- -	2026-04-09 09:57:15.544113722 +0000
+++ /home/ubuntu/src/ovs/tests/system-kmod-testsuite.dir/at-groups/129/stdout	2026-04-09 09:57:15.541989110 +0000
@@ -1,3 +1,3 @@
 tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>),helper=ftp
-tcp,orig=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>)
+tcp,orig=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>),helper=ftp

The same tests pass with the 6.17.0-20 kernel on an otherwise identical
system.

** Affects: openvswitch (Ubuntu)
     Importance: Critical
         Status: Triaged


** Tags: update-excuse

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https://bugs.launchpad.net/bugs/2147607

Title:
  [resolute] conntrack - FTP tests failing with 7.0.0 kernel

Status in openvswitch package in Ubuntu:
  Triaged

Bug description:
  There appears to be a change of behavior in the 7.0.0 kernel making
  the Open vSwitch conntrack FTP tests fail.

  Typical failure mode:
  --- -	2026-04-09 09:57:15.544113722 +0000
  +++ /home/ubuntu/src/ovs/tests/system-kmod-testsuite.dir/at-groups/129/stdout	2026-04-09 09:57:15.541989110 +0000
  @@ -1,3 +1,3 @@
   tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>),helper=ftp
  -tcp,orig=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>)
  +tcp,orig=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>),helper=ftp

  The same tests pass with the 6.17.0-20 kernel on an otherwise
  identical system.

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