Comment 2 for bug 1813715

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LIU Yulong (dragon889) wrote : Re: [L2][scale issue] ovs-agent meet unexpected tunnel lost

Currently we do not have the clue of this issue, but it is indeed can be seen in our environment. Maybe as you said the heavy load is one problem.
No, we did not see much exception in neutron server side. For the compute node, although it will only host 150-200 compute port. But it will try to get all the subnet port infos during the restart/sync/sg install. This costs too much. And maybe some partial action or data may cause the tunnel down or lose.