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[OpenStack Infra <2049615@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.opendev.org/c/openstack/neutron/+/905617
Committed: https://opendev.org/openstack/neutron/commit/5453c92a2e777b9a41989cc21d6064ffe4711e8d
Submitter: "Zuul (22348)"
Branch:    master

commit 5453c92a2e777b9a41989cc21d6064ffe4711e8d
Author: Sahid Orentino Ferdjaoui <sahid.ferdjaoui@xxxxxxxxxxxxxxxxxxxxxxxx>
Date:   Mon Jan 15 17:11:23 2024 +0100

    dhcp: ensure that cleaning DHCP process with one segment happens first
    
    Previously, the code used to clean up old DHCP processes for a network
    before creating new ones supporting multiple segments per network
    could potentially not be executed first. Since disabling applies to
    cleaning the namespace, this could have led to the network setup being
    destroyed after being done.
    
    This change moves the part that cleans up the old DHCP setup to ensure
    it is executed first.
    
    Closes-bug: #2049615
    Signed-off-by: Sahid Orentino Ferdjaoui <sahid.ferdjaoui@xxxxxxxxxxxxxxxxxxxxxxxx>
    Change-Id: Iecdb2d81ee077c9b9057d0708c5c88e159970039


** Changed in: neutron
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/2049615

Title:
  multisegments: cleaning DHCP process for segment 0 should happen first

Status in neutron:
  Fix Released

Bug description:
  With the new support of multi-segments some code has been added to
  clean old dhcp setup for a network. that clean should happen first and
  clean segment index == 0.

  As list of segment for a given network does not come ordered by
  segment index, in the process we can be in that situation of having
  network setup for multi index 1 coming before index 0 which means it
  will be destroyed by the clean resulting a missing setup.

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