Hi Dumitru,

You're welcome :)..I was also checking the same stuff...why our (Ultimum)
patches don't pass in GitHub and locally they does...

It should be fine to merge this soon, so we can send a several larger
changes around BFD...

Thank you for your support !

Michal Arbet
Openstack Engineer

Ultimum Technologies a.s.
Na Poříčí 1047/26, 11000 Praha 1
Czech Republic

+420 604 228 897
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On Mon, Oct 5, 2026, 2:56 PM Dumitru Ceara <[email protected]> wrote:

> On 10/5/26 2:38 PM, Michal Arbet wrote:
> > Scapy 2.8.0 moved the IGMPv3 layers to scapy.layers.igmp and kept
> > scapy.contrib.igmpv3 only as a deprecated alias.  IGMPv3mr is now
> > IGMPv3_MR, a complete Membership Report that carries its own type
> > and checksum.  The "IGMPv3(type=0x22) / IGMPv3mr(...)" packet used by
> > the "Traffic from external port not looped back to localnet" test is
> > therefore built with two report headers, and the first one has zero
> > group records.  pinctrl learns no group from it and the test fails
> > waiting for the 239.1.2.3 IGMP_Group row.
> >
> > No scapy construction produces the same packet with both 2.7 and 2.8,
> > so build the report with the send_igmp_v3_report() helper that the
> > other IGMP tests already use.
> >
> > Assisted-by: Claude Opus 5.5, Claude Code
> > Signed-off-by: Michal Arbet <[email protected]>
> > ---
>
> Hi Michal,
>
> Thanks a lot for the fix!
>
> I was looking at this issue in disbelief this morning trying to
> understand why it "works on my machine" and not in GitHub CI. :)
>
> Assuming ovsrobot reports green CI with this patch:
>
> Acked-by: Dumitru Ceara <[email protected]>
>
> Regards,
> Dumitru
>
> >  tests/ovn.at | 12 +++++-------
> >  1 file changed, 5 insertions(+), 7 deletions(-)
> >
> > diff --git a/tests/ovn.at b/tests/ovn.at
> > index 136b825f9..e0796a76c 100644
> > --- a/tests/ovn.at
> > +++ b/tests/ovn.at
> > @@ -47594,13 +47594,11 @@ mld_packet=$(fmt_pkt \
> >  check as hv1 ovs-appctl netdev-dummy/receive br-phys_n1 $mld_packet
> >
> >  # IGMPv3 report.  Same scenario but with IPv4 multicast.
> > -igmp_packet=$(fmt_pkt \
> > -    "Ether(dst='01:00:5e:00:00:16', src='50:54:00:00:00:01') / \
> > -     IP(src='10.0.0.1', dst='224.0.0.22', ttl=1, \
> > -        options=IPOption_Router_Alert()) / \
> > -     IGMPv3(type=0x22) / \
> > -     IGMPv3mr(records=IGMPv3gr(rtype=4, maddr='239.1.2.3'))")
> > -check as hv1 ovs-appctl netdev-dummy/receive br-phys_n1 $igmp_packet
> > +send_igmp_v3_report br-phys_n1 hv1 \
> > +    505400000001 $(ip_to_hex 10 0 0 1) f9f8 \
> > +    $(ip_to_hex 239 1 2 3) 04 e8f9 \
> > +    igmp_packet.txt
> > +igmp_packet=$(cat igmp_packet.txt)
> >
> >  # Wait for pinctrl to fully process the IGMP/MLD reports and sync them
> >  # to the SB database.  This guarantees that pinctrl has also re-injected
>
>
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