ACK/Cmnt: [SRU][J][PATCH 0/1] UBUNTU: SAUCE: Fix srv6_end_dt46_l3vpn_test.sh to skip tests if iproute2 too old

[Po-Hsu Lin]

On Thu, 9 Jul 2026 at 11:39, Hui Wang via kernel-team <
kernel-team at lists.ubuntu.com> wrote:

> Acked-by: Hui Wang <hui.wang at canonical.com>
>
> Probably is worth a try with upstreaming it?
>

Alessio has submitted the patch to upstream:
https://lore.kernel.org/netdev/20260708152745.2430714-1-alessio.faina@canonical.com/T/#u


> On 7/7/26 20:33, Alessio Faina via kernel-team wrote:
> > Buglink: https://bugs.launchpad.net/bugs/1956561
> > Buglink: https://bugs.launchpad.net/bugs/1956562
> > Buglink: https://bugs.launchpad.net/bugs/1961566
> >
> > SRU Justification:
> >
> > [ Impact ]
> >
> > This is a issue impacting the Focal backports of kernel 5.15.
> > In Focal, while running the selftests/net/srv6_end_dt46_l3vpn_test.sh
> test,
> > the iproute2 version is too old and the test will fail with an error
> message:
> >
> >
> ################################################################################
> > TEST SECTION: SRv6 VPN connectivity test among hosts in the same tenant
> >
> ################################################################################
> >
> >      TEST: IPv6 Hosts connectivity: hs-t100-1 -> hs-t100-2 (tenant 100)
> [ FAIL ]
> >
> >      TEST: IPv4 Hosts connectivity: hs-t100-1 -> hs-t100-2 (tenant 100)
> [ FAIL ]
> >
> >      TEST: IPv6 Hosts connectivity: hs-t100-2 -> hs-t100-1 (tenant 100)
> [ FAIL ]
> >
> >      TEST: IPv4 Hosts connectivity: hs-t100-2 -> hs-t100-1 (tenant 100)
> [ FAIL ]
> >
> >      TEST: IPv6 Hosts connectivity: hs-t200-3 -> hs-t200-4 (tenant 200)
> [ FAIL ]
> >
> >      TEST: IPv4 Hosts connectivity: hs-t200-3 -> hs-t200-4 (tenant 200)
> [ FAIL ]
> >
> >      TEST: IPv6 Hosts connectivity: hs-t200-4 -> hs-t200-3 (tenant 200)
> [ FAIL ]
> >
> >      TEST: IPv4 Hosts connectivity: hs-t200-4 -> hs-t200-3 (tenant 200)
> [ FAIL ]
> >
> > This happens because the iproute2 version shipped in Focal
> iproute2-ss200127
> > (2020 01 27) is too old and does not support End.DT46.
> > The oldest version of iproute that supports End.DT46 is 5.14.0 (2021 08
> > 31) but adding the new version of the application to Focal is not
> > possible as it will break other tests.
> >
> > [ Test plan ]
> >
> > Tested on Focal DISTRIB_CODENAME=focal 5.15.0-139-generic and on Jammy
> > DISTRIB_CODENAME=jammy 5.15.0-1107-gke.
> >
> > [ Where problems could occur ]
> >
> > No other issues are expected as the test is only skipped if the iproute
> > version is too old.
> >
> >
> > Alessio Faina (1):
> >    Skip srv6_end_dt46_l3vpn_test::host_vpn_tests if iproute2 too old (LP:
> >      #1956561)
> >
> >   .../selftests/net/srv6_end_dt46_l3vpn_test.sh       | 13 ++++++++-----
> >   1 file changed, 8 insertions(+), 5 deletions(-)
> >
>
> --
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