[Bug 1460164] Re: upgrade of openvswitch-switch can sometimes break neutron-plugin-openvswitch-agent

[James Page]

The neutron code does make some attempts to monitor the state of
openvswitch - a restart of the ovs database process should be detected
by the agent, and appropriate action taken.

Having the agent detect and respond to the status of openvswitch and the
flows its managing should be the right approach to dealing with this
situation; I believe that this part of the codebase has improved since
Icehouse, so we'll take a look, do some testing and see whether there
are some cherry-picks we can make for Icehouse to improve resilience.

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https://bugs.launchpad.net/bugs/1460164

Title:
  upgrade of openvswitch-switch can sometimes break neutron-plugin-
  openvswitch-agent

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