[Bug 1448254] Re: openvswitch systemd unit file ordering wrong

[Brian Turek]

** Tags added: xenial

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https://bugs.launchpad.net/bugs/1448254

Title:
  openvswitch systemd unit file ordering wrong

Status in One Hundred Papercuts:
  Triaged
Status in openvswitch package in Ubuntu:
  Triaged

Bug description:
  After upgrade to vivid, my system takes nearly 4 minutes to boot. This
  appears to be related to the new systemd unit ordering.

  [Unit]
  Description=Open vSwitch
  After=network.target openvswitch-nonetwork.service
  ...

  root at mystic:/lib/systemd/system# systemd-analyze blame | head
        2min 233ms ifup-wait-all-auto.service
  ...

  Open vSwitch is being started after the network, but the network needs
  Open vSwitch to start since my host traffic is flowing through the
  bridge:

  root at mystic:/lib/systemd/system# ovs-vsctl show
  838a8aa4-4811-447d-8dcc-dbb675b78968
      Bridge "br0"
          Port "br0"
              tag: 1
              Interface "br0"
                  type: internal
          Port "vlan121"
              tag: 121
              Interface "vlan121"
                  type: internal
          Port "eth0"
              tag: 1
              Interface "eth0"
      ovs_version: "2.3.1"

  The interfaces do eventually start correctly, but only after the long
  timeout above.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: openvswitch-switch 2.3.1-0ubuntu1
  ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3
  Uname: Linux 3.19.0-15-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.17.2-0ubuntu1
  Architecture: amd64
  Date: Fri Apr 24 14:10:19 2015
  EcryptfsInUse: Yes
  ProcEnviron:
   TERM=screen
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: openvswitch
  UpgradeStatus: Upgraded to vivid on 2015-04-24 (0 days ago)

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