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[LIU Yulong <2060587@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

OVS-agent wants to clean flows table by table during restart, but
actually it does not. [1] If one table has same cookie with other
tables, all related flows will be clean at once. A bit radical in such
style.


[1] https://github.com/openstack/neutron/blob/master/neutron/plugins/ml2/drivers/openvswitch/agent/openflow/native/ofswitch.py#L186

** Affects: neutron
     Importance: Undecided
         Status: In Progress

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https://bugs.launchpad.net/bugs/2060587

Title:
  [ML2][OVS] more precise flow table cleaning

Status in neutron:
  In Progress

Bug description:
  OVS-agent wants to clean flows table by table during restart, but
  actually it does not. [1] If one table has same cookie with other
  tables, all related flows will be clean at once. A bit radical in such
  style.

  
  [1] https://github.com/openstack/neutron/blob/master/neutron/plugins/ml2/drivers/openvswitch/agent/openflow/native/ofswitch.py#L186

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