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Hello,

Do what Thomas suggested or disable LLDP because it’s also
possible that you are leaking information about your compute node
to running instances.

Best regards

> On 14 Feb 2022, at 11:17, Thomas Goirand <zigo at debian.org> wrote:
> 
> On 2/13/22 19:28, Ammad Syed wrote:
>> Hello,
>> I am using ovn 21.09 with neutron 19.0. I am continuously seeing below lldpd errors in my journalctl and syslog of compute nodes. Is there anything to worry about?
>> Feb 13 21:17:29 computehost02 lldpd[5025]: MSAP has changed for port tap30b18e08-00, sending a shutdown LLDPDU
>> Feb 13 21:17:29 computehost02 lldpd[5025]: unable to send packet on real device for tap30b18e08-00: No such device or address
>> Feb 13 21:17:29 computehost02 lldpd[5025]: unable to send packet on real device for tap48d8e15e-ee: No such device or address
>> Feb 13 21:17:59 computehost02 lldpd[5025]: unable to send packet on real device for tap48d8e15e-ee: No such device or address
>> Feb 13 21:17:59 computehost02 lldpd[5025]: MSAP has changed for port tap30b18e08-00, sending a shutdown LLDPDU
>> Ammad
> 
> I'd suggest adding this to your setup so you're not annoyed anymore:
> 
> # cat /etc/lldpd.d/only-eth.conf
> configure system interface pattern eth*
> 
> That's what OCI [1] does by default.
> 
> Cheers,
> 
> Thomas Goirand (zigo)
> 
> [1] https://salsa.debian.org/openstack-team/debian/openstack-cluster-installer
>