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[Iain Lane <iain@xxxxxxxxxxxxxxxxxxx>]

Ah, I'm on upstart now and it's still happening.

I think for me this started around the time the new NM upstream release
was uploaded, so I'd start investigating what changed there. Even if it
did happen sometimes before (e.g. if bug #1270257 is a dupe), it seems
way more frequent now. I personally never had this issue up until quite
recently.

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https://bugs.launchpad.net/bugs/1422096

Title:
  Occasionally no network on resume

Status in network-manager package in Ubuntu:
  New

Bug description:
  Sometimes I resume and n-m thinks that lxcbr0 is a connected wired
  network, so doesn't connect to the wireless network that I actually
  want to use until I restart it.

  laney@iota> nmcli d
  DEVICE             TYPE      STATE         CONNECTION 
  lxcbr0             bridge    connected     lxcbr0     
  virbr0             bridge    connected     virbr0     
  50:46:5D:18:E7:06  bt        disconnected  --         
  wlan0              wifi      disconnected  --         
  eth0               ethernet  unavailable   --         
  lo                 loopback  unmanaged     --         
  virbr0-nic         tap       unmanaged     --         
  laney@iota> nmcli d w l ifname wlan0
  *  SSID  MODE  CHAN  RATE  SIGNAL  BARS  SECURITY 
  laney@iota> cat /etc/network/interfaces
  auto lo
  iface lo inet loopback

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: network-manager 0.9.10.0-4ubuntu6
  ProcVersionSignature: Ubuntu 3.18.0-13.14-generic 3.18.5
  Uname: Linux 3.18.0-13-generic x86_64
  NonfreeKernelModules: nvidia wl
  ApportVersion: 2.16.1-0ubuntu2
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Sun Feb 15 10:37:28 2015
  IfupdownConfig:
   auto lo
   iface lo inet loopback
  InstallationDate: Installed on 2012-10-18 (850 days ago)
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
  IpRoute:
   default via 192.168.1.1 dev wlan0  proto static  metric 1024 
   169.254.0.0/16 dev wlan0  scope link  metric 1000 
   192.168.1.0/24 dev wlan0  proto kernel  scope link  src 192.168.1.134
  SourcePackage: network-manager
  UpgradeStatus: Upgraded to vivid on 2014-07-30 (200 days ago)
  nmcli-nm: Error: command ['nmcli', '-f', 'all', 'nm'] failed with exit code 2: Error: Object 'nm' is unknown, try 'nmcli help'.

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