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[OpenStack Infra <1825295@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.opendev.org/653668
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=82782d37639fab97e445e4bbb4daeb85dc829fcd
Submitter: Zuul
Branch:    master

commit 82782d37639fab97e445e4bbb4daeb85dc829fcd
Author: Yang Li <yang.li@xxxxxxxxxxxx>
Date:   Thu Apr 18 14:45:31 2019 +0800

    Make sure the port still in port map when prepare_port_filter
    
    The current code will remove the port from sg_port_map, but then it
    won't be added into the map, when we resize/migrate this instance,
    the related openflow won't be deleted, this will cause vm connectivity
    problem.
    
    Closes-Bug: #1825295
    Change-Id: I94ddddda3c1960d43893c7a367a81279d429e469


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

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https://bugs.launchpad.net/bugs/1825295

Title:
  The openflow won't be deleted when we reboot and migrate the instance

Status in neutron:
  Fix Released

Bug description:
  Sometimes user will do some steps for instance management:
  1. Restart hostA neutron-openvswitch-agent
  2. Reboot the instance which in hostA
  3. Migrate the instance from hostA to hostB or resize the instance(this also cause migration)

  Then we will find the instance's openflows on the hostA still exist,
  this will cause instance connectivity problem.

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