** Description changed:

- After upgrade to vivid, my system takes nearly 4 minutes to boot. This
- appears to be related to the new systemd unit ordering.
+ [Impact]
+ systems with openvswitch management primary network devices take a long time 
to boot.
+ 
+ [Test Case]
+ Configure primary network interface for server using openvswitch eni syntax; 
reboot server (will take 4 minutes to boot).
+ 
+ [Regression Potential]
+ Medium risk - this is a change to the behaviour of the systemd units, but it 
does appear to have been validated by the wider community.
+ 
+ [Original Bug Report]
+ 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@mystic:/lib/systemd/system# systemd-analyze blame | head
-       2min 233ms ifup-wait-all-auto.service
+       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@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"
+     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
+  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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https://bugs.launchpad.net/bugs/1448254

Title:
  openvswitch systemd unit file ordering wrong

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