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[Launchpad Bug Tracker <1569974@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package cloud-init - 0.7.7~bzr1208-0ubuntu1

---------------
cloud-init (0.7.7~bzr1208-0ubuntu1) xenial; urgency=medium

  * New upstream snapshot.
    - phone_home: allow usage of fqdn (LP: #1566824) [Ollie Armstrong]
    - chef: straighten out validation_cert and validation_key (LP: #1568940)
    - skip bridges when generating fallback networking (LP: #1569974)
    - rh_subscription: only check subscription if configured (LP: #1536706)
    - SmartOS, CloudSigma: fix error when dmi data is not availble
      (LP: #1569469)
    - DataSourceNoCloud: fix check_instance_id when upgraded (LP: #1568150)
    - lxd: adds basic support for dpkg based lxd-bridge
      configuration. (LP: #1569018)
    - centos: Ensure that a resolve conf object is written as a string.
      (LP: #1479988)

 -- Scott Moser <smoser@xxxxxxxxxx>  Wed, 13 Apr 2016 13:19:03 -0400

** Changed in: cloud-init (Ubuntu)
       Status: Confirmed => Fix Released

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https://bugs.launchpad.net/bugs/1569974

Title:
  networking fallback should ignore bridges

Status in cloud-init:
  Confirmed
Status in cloud-init package in Ubuntu:
  Fix Released

Bug description:
  Serge pointed me at an an issue with cloud-init's fallback networking.
  It will consider bridges as possible devices to dhcp on.
  Since these bridges are configured only by things like lxd (not /etc/network/interfaces) they're not going to be good devices to 'dhcp' on and get a fallback networking configuration.

  My short solution is to just ignore bridge devices when searching.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: cloud-init 0.7.7~bzr1200-0ubuntu1 [modified: lib/systemd/system/cloud-init-local.service usr/lib/python3/dist-packages/cloudinit/net/__init__.py]
  ProcVersionSignature: Ubuntu 4.4.0-18.34-generic 4.4.6
  Uname: Linux 4.4.0-18-generic x86_64
  ApportVersion: 2.20.1-0ubuntu1
  Architecture: amd64
  Date: Wed Apr 13 14:22:57 2016
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
  SourcePackage: cloud-init
  UpgradeStatus: No upgrade log present (probably fresh install)

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