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[huangpengtaohw <huangpengtao@xxxxxxxxxx>]

Public bug reported:

the function below in mech_driver.py (plugins\ml2\drivers\l2pop)

def update_port_postcommit:
  
        self.migrated_ports[orig['id']] = (
                      (orig, context.original_host))

when the port has been migrated, the context.original information store in local, 
there will be something wrong in multi neutron server environment. the port value
may be store in neutron server a, but the ovs will update port in neutron server b,
which has no information.

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1492741

Title:
  port information store in local variable

Status in neutron:
  New

Bug description:
  the function below in mech_driver.py (plugins\ml2\drivers\l2pop)

  def update_port_postcommit:
    
          self.migrated_ports[orig['id']] = (
                        (orig, context.original_host))

  when the port has been migrated, the context.original information store in local, 
  there will be something wrong in multi neutron server environment. the port value
  may be store in neutron server a, but the ovs will update port in neutron server b,
  which has no information.

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