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[Jakub Libosvar <libosvar@xxxxxxxxxx>]

Public bug reported:

With HA controllers, when first two ports are created simultaneously and
each request is picked by a different neutron-server, it can happen one
port fails the creation because it fails creating neutron_pg_drop port
group entry in OVN.

This is because neutron_pg_drop entry is unique in the whole cloud and
is created on the first attempt of port creation, if it doesn't exist.

The solution can be creating the entry during server start.

** Affects: neutron
     Importance: Undecided
     Assignee: Jakub Libosvar (libosvar)
         Status: New


** Tags: ovn

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https://bugs.launchpad.net/bugs/1866068

Title:
  [OVN] neutron_pg_drop port group table creation race condition

Status in neutron:
  New

Bug description:
  With HA controllers, when first two ports are created simultaneously
  and each request is picked by a different neutron-server, it can
  happen one port fails the creation because it fails creating
  neutron_pg_drop port group entry in OVN.

  This is because neutron_pg_drop entry is unique in the whole cloud and
  is created on the first attempt of port creation, if it doesn't exist.

  The solution can be creating the entry during server start.

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