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[Bug 1837985] [NEW] live-migration can't ssh vm

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: zhang sheng <langyxxl@xxxxxxxxx>
Date: Fri, 26 Jul 2019 08:13:34 -0000
Reply-to: Bug 1837985 <1837985@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

Public bug reported:

When live migration vm, qemu will send garp 5 times when finish.

Vm port tag default is 4095. neutron-openvswitch-agent will spend some time to configure vm port tag.
If qemu send garp before neutron-openvswitch-agent set the port tag, these garp will lost.

In my environment, This bug always happen. Does anyone encounter this?

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1837985

Title:
  live-migration can't ssh vm

Status in neutron:
  New

Bug description:
  When live migration vm, qemu will send garp 5 times when finish.

  Vm port tag default is 4095. neutron-openvswitch-agent will spend some time to configure vm port tag.
  If qemu send garp before neutron-openvswitch-agent set the port tag, these garp will lost.

  In my environment, This bug always happen. Does anyone encounter this?

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