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[Bug 1877977] [NEW] [DVR] Recovery from openvswitch restart fails when veth are used for bridges interconnection

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Slawek Kaplonski <1877977@xxxxxxxxxxxxxxxxxx>
Date: Mon, 11 May 2020 09:47:00 -0000
Reply-to: Bug 1877977 <1877977@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

Public bug reported:

In case of DVR routers, when use_veth_interconnection is set to True,
when openvswitch service is restared, recovery from that isn't done
correctly and FIPs aren't reachable until neutron-ovs-agent is
restarted.

All works fine when patch ports are used for interconnection.

** Affects: neutron
     Importance: Medium
         Status: Confirmed


** Tags: l3-dvr-backlog ovs

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https://bugs.launchpad.net/bugs/1877977

Title:
  [DVR] Recovery from openvswitch restart fails when veth are used for
  bridges interconnection

Status in neutron:
  Confirmed

Bug description:
  In case of DVR routers, when use_veth_interconnection is set to True,
  when openvswitch service is restared, recovery from that isn't done
  correctly and FIPs aren't reachable until neutron-ovs-agent is
  restarted.

  All works fine when patch ports are used for interconnection.

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