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[Jack Ivanov <e601809@xxxxxxxxx>]

Public bug reported:

Hello,

We deployed Neutron + OVS + DVR long time ago.
After upgrade from Ocata->Pike->Queens we've got a problem with security groups. They all are out of sync because messages are being sent to a queue with no consumers (there were some old Ocata consumers though, but we turned them off for the testing).

Request logs - https://pastebin.com/80BMDLai

Queue q-agent-notifier-security_group-update doesn't have any consumers
at all. So, the compute nodes don't get it, thus they don't update
security rules accordingly. Is this queue used in rocky?

Sometimes, I can see messages are being sent to neutron-vo-
SecurityGroupRule-1.0 and all the compute nodes get it. It looks like a
floating problem.

How to reproduce: Upgrade sequentially from Ocata to Pike and to Rocky.

Why it may happen and how to fix it?

If you need any additional information just let me know.

Thanks!

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1814209

Title:
  Messages for security rules are being sent to a wrong MQ topic.
  Security rules are out of sync

Status in neutron:
  New

Bug description:
  Hello,

  We deployed Neutron + OVS + DVR long time ago.
  After upgrade from Ocata->Pike->Queens we've got a problem with security groups. They all are out of sync because messages are being sent to a queue with no consumers (there were some old Ocata consumers though, but we turned them off for the testing).

  Request logs - https://pastebin.com/80BMDLai

  Queue q-agent-notifier-security_group-update doesn't have any
  consumers at all. So, the compute nodes don't get it, thus they don't
  update security rules accordingly. Is this queue used in rocky?

  Sometimes, I can see messages are being sent to neutron-vo-
  SecurityGroupRule-1.0 and all the compute nodes get it. It looks like
  a floating problem.

  How to reproduce: Upgrade sequentially from Ocata to Pike and to
  Rocky.

  Why it may happen and how to fix it?

  If you need any additional information just let me know.

  Thanks!

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