[Bug 1752838] Re: sometimes neutron-ovs-cleanup runs earlier than ovsdb-server

[Seyeong Kim]

** Patch added: "lp1752838_xenial.debdiff"
   https://bugs.launchpad.net/ubuntu/+source/neutron/+bug/1752838/+attachment/5066877/+files/lp1752838_xenial.debdiff

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Title:
  sometimes neutron-ovs-cleanup runs earlier than ovsdb-server

Status in neutron package in Ubuntu:
  New

Bug description:
  [Impact]

  neutron-ovs-cleanup service runs earlier than ovsdb-server sometimes.

  then, neutron-ovs-cleanup service's status remains failed.

  that is fine for booting.

  but.

  If someday upgrade pkgs related to neutron, it runs neutron-ovs-
  cleanup again because it is not in active status.

  eventually, neutron-ovs-cleanup deletes all ports on running compute
  nodes.

  [Test Case]

  Can't reproduce every time. but it happens in some env.

  [Regression]
  Changes dependency on debian/neutron-openvswitch-agent.neutron-ovs-cleanup.service.in
  need to reboot if this patch is affected. If this symptom is not affected your env. no need to reboot.

  [Others]
  Because there is no reproducer, please consider this dependency changes if it is proper.

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