[Bug 1723987] Re: error when trying to upgrade from Xubuntu 16.04 to 17.04

[Ubuntu Foundations Team Bug Bot]

** Tags added: xenial2zesty

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https://bugs.launchpad.net/bugs/1723987

Title:
  error when trying to upgrade from Xubuntu 16.04 to 17.04

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  Trying to upgrade from 16.04 to 17.04 via the distribution upgrade
  tool fails when trying to calculate the changes. Unsure what to do.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubuntu-release-upgrader-core 1:16.04.22
  ProcVersionSignature: Ubuntu 4.4.0-97.120-generic 4.4.87
  Uname: Linux 4.4.0-97-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.10
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: XFCE
  Date: Mon Oct 16 11:08:34 2017
  InstallationDate: Installed on 2016-01-11 (643 days ago)
  InstallationMedia: Xubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to xenial on 2017-10-16 (0 days ago)
  VarLogDistupgradeTermlog:
   
  mtime.conffile..etc.update-manager.release-upgrades: 2017-10-16T10:54:56.455364

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