This affects xenial-mitaka and above. My test results above are on
xenial-queens.

** Also affects: neutron (Ubuntu Bionic)
   Importance: Low
       Status: New

** Also affects: neutron (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Also affects: neutron (Ubuntu Artful)
   Importance: Undecided
       Status: New

** Changed in: neutron (Ubuntu Xenial)
       Status: New => Triaged

** Changed in: neutron (Ubuntu Artful)
       Status: New => Triaged

** Changed in: neutron (Ubuntu Bionic)
       Status: New => Triaged

** Changed in: neutron (Ubuntu Bionic)
   Importance: Low => High

** Changed in: neutron (Ubuntu Artful)
   Importance: Undecided => High

** Changed in: neutron (Ubuntu Xenial)
   Importance: Undecided => High

** Also affects: cloud-archive/pike
   Importance: Undecided
       Status: New

** Also affects: cloud-archive/queens
   Importance: Undecided
       Status: New

** Also affects: cloud-archive/newton
   Importance: Undecided
       Status: New

** Also affects: cloud-archive/ocata
   Importance: Undecided
       Status: New

** Changed in: cloud-archive/newton
       Status: New => Triaged

** Changed in: cloud-archive/ocata
       Status: New => Triaged

** Changed in: cloud-archive/pike
       Status: New => Triaged

** Changed in: cloud-archive/queens
       Status: New => Triaged

** Changed in: cloud-archive/queens
   Importance: Undecided => High

** Changed in: cloud-archive/pike
   Importance: Undecided => High

** Changed in: cloud-archive/ocata
   Importance: Undecided => High

** Changed in: cloud-archive/newton
   Importance: Undecided => High

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Matching subscriptions: Ubuntu 16.04 Bugs
https://bugs.launchpad.net/bugs/1752838

Title:
  [SRU] neutron-ovs-cleanup runs earlier than ovsdb-server when there
  are many port

Status in Ubuntu Cloud Archive:
  Triaged
Status in Ubuntu Cloud Archive newton series:
  Triaged
Status in Ubuntu Cloud Archive ocata series:
  Triaged
Status in Ubuntu Cloud Archive pike series:
  Triaged
Status in Ubuntu Cloud Archive queens series:
  Triaged
Status in neutron package in Ubuntu:
  Triaged
Status in neutron source package in Xenial:
  Triaged
Status in neutron source package in Artful:
  Triaged
Status in neutron source package in Bionic:
  Triaged

Bug description:
  [Impact]

  In code, Basically all ubuntu version could be affected.
  I'm trying to do test them

  Xenial - Tested, Affected
  Artful -
  Bionic -

  UCA-Mitaka - 
  UCA-Newton -
  UCA-Ocata -
  UCA-Pike -
  UCA-Queens -
  ..?

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

  then, neutron-ovs-cleanup service's status remains failed
  with below error msg

  "ProcessExecutionError: Exit code: 1; Stdin: ; Stdout: ; Stderr: ovs-
  vsctl: unix:/var/run/openvswitch/db.sock: database connection failed
  (No such file or directory)"

  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.

  related logs here https://paste.ubuntu.com/p/QkkwP2vPDv/

  [Test Case]

  1. deploy openstack env
  2. run below scripts to add many ports
  #!/bin/bash

  for i in {0..1000}
  do
    juju ssh nova-compute/0 "sudo ip link add dummy$i type dummy;sudo ip link 
set name t-test$i dev dummy$i;sudo ovs-vsctl add-port br-int t-test$i";
  done

  3. systemctl list-units --failed
  - check if there is failed neutron-ovs-cleanup service

  [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.

To manage notifications about this bug go to:
https://bugs.launchpad.net/cloud-archive/+bug/1752838/+subscriptions

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