[openstack-dev] [neutron][stable] - exception for stable/kilo DVR back-ports

Kevin Benton kevin at benton.pub
Wed May 4 20:54:45 UTC 2016


I would like to propose a freeze exception for
https://review.openstack.org/#/c/312253/ and
https://review.openstack.org/#/c/312254/ . They address a bug in DVR that
causes floating IPs to eventually break after an L3 agent has been
restarted. It's a serious bug but it's very subtle because it takes a busy
system and bad luck to trigger it.

If we decide against the back-port a workaround could be to advise all
distros/operators to call the namespace cleanup script every time the l3
agent is restarted, which would prevent this issue, but at the cost of
disrupting traffic on the agent restart.

Kevin Benton
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