[Bug 1635654] [NEW] Machine fails to stop, or start interfaces. hangs in systemd waiting for completion

[LaMont Jones]

Public bug reported:

The attached /etc/network/interfaces file is fatal to
/lib/systemd/system/networking.service, resulting in a loop that never
finishes.

ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: ifupdown 0.8.13ubuntu4
ProcVersionSignature: Ubuntu 4.4.0-14.30~lp1543683LatestXenialWithRevert-generic 4.4.5
Uname: Linux 4.4.0-14-generic x86_64
ApportVersion: 2.20.3-0ubuntu8
Architecture: amd64
CurrentDesktop: Unity
Date: Fri Oct 21 09:14:33 2016
InstallationDate: Installed on 2014-09-22 (759 days ago)
InstallationMedia: Ubuntu-Server 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2)
SourcePackage: ifupdown
UpgradeStatus: Upgraded to zesty on 2014-11-14 (706 days ago)

** Affects: ifupdown (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug zesty

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https://bugs.launchpad.net/bugs/1635654

Title:
  Machine fails to stop, or start interfaces.  hangs in systemd waiting
  for completion

Status in ifupdown package in Ubuntu:
  New

Bug description:
  The attached /etc/network/interfaces file is fatal to
  /lib/systemd/system/networking.service, resulting in a loop that never
  finishes.

  ProblemType: Bug
  DistroRelease: Ubuntu 17.04
  Package: ifupdown 0.8.13ubuntu4
  ProcVersionSignature: Ubuntu 4.4.0-14.30~lp1543683LatestXenialWithRevert-generic 4.4.5
  Uname: Linux 4.4.0-14-generic x86_64
  ApportVersion: 2.20.3-0ubuntu8
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Fri Oct 21 09:14:33 2016
  InstallationDate: Installed on 2014-09-22 (759 days ago)
  InstallationMedia: Ubuntu-Server 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2)
  SourcePackage: ifupdown
  UpgradeStatus: Upgraded to zesty on 2014-11-14 (706 days ago)

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