Upgrade Desktop 14.04 to 16.04 fails setting new channels

[Nico van der Horn]

$ lsb_release -rd
Description: Ubuntu 14.04.4 LTS
Release: 14.04

$ sudo update-manager -d

(software-properties-gtk:5833): IBUS-WARNING **: The owner of /home/nico/.config/ibus/bus is not root!
Checking for a new Ubuntu release
java version "1.6.0_38"
OpenJDK Runtime Environment (IcedTea6 1.13.10) (6b38-1.13.10-0ubuntu0.14.04.1)
OpenJDK 64-Bit Server VM (build 23.25-b01, mixed mode)
/usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeFetcher.py:86: Warning: g_object_ref: assertion 'object->ref_count > 0' failed
  res = self.widgets.dialog_release_notes.run()
/usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeFetcher.py:86: Warning: g_object_unref: assertion 'object->ref_count > 0' failed
  res = self.widgets.dialog_release_notes.run()
authenticate 'xenial.tar.gz' against 'xenial.tar.gz.gpg'
extracting 'xenial.tar.gz'
Unknown Multi-Arch type 'no' for package 'compiz-core'
Unknown Multi-Arch type 'no' for package 'compiz-gnome'
Unknown Multi-Arch type 'no' for package 'libxapian-dev'
Ignoring Provides line with DepCompareOp for package python-cffi-backend-api-max
Ignoring Provides line with DepCompareOp for package python-cffi-backend-api-min
Ignoring Provides line with DepCompareOp for package python3-cffi-backend-api-max
Ignoring Provides line with DepCompareOp for package python3-cffi-backend-api-min
Unknown Multi-Arch type 'no' for package 'kwin'
Unknown Multi-Arch type 'no' for package 'kwin-dev'
Unknown Multi-Arch type 'no' for package 'kwin-wayland'
Unknown Multi-Arch type 'no' for package 'kwin-x11'
Unknown Multi-Arch type 'no' for package 'libkf5sysguard-dev'
Ignoring Provides line with DepCompareOp for package php-psr-http-message-implementation
Ignoring Provides line with DepCompareOp for package php-psr-log-implementation
Ignoring Provides line with DepCompareOp for package php-seclib
Ignoring Provides line with DepCompareOp for package php-sabre-http
Ignoring Provides line with DepCompareOp for package php-math-biginteger
Ignoring Provides line with DepCompareOp for package pypy-cffi
Ignoring Provides line with DepCompareOp for package pypy-cffi-backend-api-max
Ignoring Provides line with DepCompareOp for package pypy-cffi-backend-api-min
Unknown Multi-Arch type 'no' for package 'compiz-core'
Unknown Multi-Arch type 'no' for package 'compiz-gnome'
Unknown Multi-Arch type 'no' for package 'libxapian-dev'
Ignoring Provides line with DepCompareOp for package python-cffi-backend-api-max
Ignoring Provides line with DepCompareOp for package python-cffi-backend-api-min
Ignoring Provides line with DepCompareOp for package python3-cffi-backend-api-max
Ignoring Provides line with DepCompareOp for package python3-cffi-backend-api-min
Unknown Multi-Arch type 'no' for package 'kwin-dev'
Unknown Multi-Arch type 'no' for package 'kwin-wayland'
Unknown Multi-Arch type 'no' for package 'kwin-x11'
Unknown Multi-Arch type 'no' for package 'libkf5sysguard-dev'
Ignoring Provides line with DepCompareOp for package pypy-cffi
Ignoring Provides line with DepCompareOp for package pypy-cffi-backend-api-max
Ignoring Provides line with DepCompareOp for package pypy-cffi-backend-api-min
You may want to run apt-get update to correct these problems

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-release-upgrader-core 1:0.220.8
ProcVersionSignature: Ubuntu 3.13.0-85.129-generic 3.13.11-ckt36
Uname: Linux 3.13.0-85-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
CrashDB: ubuntu
Date: Mon May 9 19:16:14 2016
InstallationDate: Installed on 2013-08-03 (1009 days ago)
InstallationMedia: Ubuntu-Server 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120817.3)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to trusty on 2016-05-09 (0 days ago)