Hi Brendan, Not sure but this could be related to the patch below in neutron that was recently released.
https://opendev.org/openstack/neutron/commit/f6c35527698119ee6f73a6a3613c9beebb563840 Ammad On Mon, Oct 18, 2021 at 3:40 PM Brendan Doyle <brendan.do...@oracle.com> wrote: > > I too am seeing many entries in the ovn-controller log like these: > > ovn/ovn-controller.log:2021-10-18T09:50:46.984Z|00164|ovsdb_idl|WARN|transaction > error: {"details":"Transaction causes multiple rows in \"MAC_Binding\" > table to have identical values (lr_vcn6727324-ls_vcn6727324_external_ugw > and \"253.255.80.18\") for index on columns \"logical_port\" and \"ip\". > First row, with UUID 614509d1-5dfc-4268-94b7-6190c1bd8c58, was inserted by > this transaction. Second row, with UUID > 5b56044f-7e62-4e6b-b559-2bca31ad5ab0, existed in the database before this > transaction and was not modified by the transaction.","error":"constraint > violation"} > > > So with my limited understanding of the MAC_Binding table I'm wondering > are these benign? > In that is it that we for what ever reason have decided that we need to do > an ARP to discover > a MAC, then ovn-controller tries to add the discovered MAC to the > MAC_Binding only to find > that it is already there. In which case the question is why was an ARP > request sent when > we already had a MAC binding. > > For me these are only ever seen on Distributed router Port Gateways. > > > On 12/10/2021 13:06, Ammad Syed wrote: > > Hi, > > I am using openstack with ml2/ovn. I have two gateway chassis whenever I > shutdown one chassis and bring it back online, I see below error in > ovn-controller logs. > > Can you please advise the way to fix it ? > > 2021-10-12T11:49:22.124Z|00511|binding|INFO|cr-lrp-4c882760-15b1-4cf4-b680-53e88880e928: > Claiming fa:16:3e:55:12:5a 101.53.244.97/24 > <https://urldefense.com/v3/__http://101.53.244.97/24__;!!ACWV5N9M2RV99hQ!eo4L8XZbywCy0zb_p7-7LEVv9xl6g9V8JEf6oZTAO21scCtNAudRSGcK9mYnwIip1bQ$> > 2021-10-12T11:49:22.126Z|00512|binding|INFO|Releasing lport > cr-lrp-4c882760-15b1-4cf4-b680-53e88880e928 from this chassis. > 2021-10-12T11:50:32.032Z|00513|ovsdb_idl|WARN|transaction error: > {"details":"Transaction causes multiple rows in \"MAC_Binding\" table to > have identical values (lrp-4c882760-15b1-4cf4-b680-53e88880e928 and > \"fe80::6a4f:64ff:fef7:8c0\") for index on columns \"logical_port\" and > \"ip\". First row, with UUID cbc847e6-75e4-4d73-9906-4fef221cad38, was > inserted by this transaction. Second row, with UUID > bcac2e3e-5f32-411a-afcf-3249b85700f4, existed in the database before this > transaction and was not modified by the transaction.","error":"constraint > violation"} > > Ammad > > _______________________________________________ > discuss mailing > listdiscuss@openvswitch.orghttps://urldefense.com/v3/__https://mail.openvswitch.org/mailman/listinfo/ovs-discuss__;!!ACWV5N9M2RV99hQ!eo4L8XZbywCy0zb_p7-7LEVv9xl6g9V8JEf6oZTAO21scCtNAudRSGcK9mYnI7H-cyA$ > > > _______________________________________________ > discuss mailing list > disc...@openvswitch.org > https://mail.openvswitch.org/mailman/listinfo/ovs-discuss > -- Regards, Syed Ammad Ali
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