On Mon, Oct 5, 2026 at 3:12 PM Dumitru Ceara <[email protected]> wrote:

> On 10/5/26 3:06 PM, Michal Arbet wrote:
> > Hi Dumitru,
> >
>
> Hi Michal,
>
> > 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...
> >
>
> If no other maintainer beats me to it, I can probably merge it tomorrow.
>  But I think you can just go ahead and post the other patches you want
> to post, we'll know this IGMP thing is a known test issue and we can
> ignore it.
>
> Regards,
> Dumitru
>
> > Thank you for your support !
> >
> > Michal Arbet
> > Openstack Engineer
> >
> > Ultimum Technologies
> <https://www.google.com/maps/search/Ultimum+Technologies?entry=gmail&source=g>
> a.s.
> > Na Poříčí 1047/26, 11000 Praha 1
> > Czech Republic
> >
> > +420 604 228 897 <+420%20604%20228%20897>
> > [email protected]
> > *https://ultimum.io <https://ultimum.io/>*
> >
> > LinkedIn <https://www.linkedin.com/company/ultimum-technologies> |
> Twitter
> > <https://twitter.com/ultimumtech> | Facebook
> > <https://www.facebook.com/ultimumtechnologies/timeline>
> >
> > 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
> >>
> >>
> >
>
>
Thank you Michal and Dumitru,

I added the missing "Fixes" tag and applied this to main and 26.09.

Regards,
Ales
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