package account-plugin-facebook not installed failed to install/upgrade: trying to overwrite /etc/signon-ui/webkit-options.d/www.facebook.com.conf , which is also in package kaccounts-providers 4:15.12.3-0ubuntu1

[Evgeniy Permyakov]

... during sudo apt-get install ubuntu-desktop on freshly 14.04 -> 16.04 upgraded kubuntu installation.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: account-plugin-facebook (not installed)
ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
Uname: Linux 4.4.0-31-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
Date: Thu Aug 11 13:16:00 2016
DuplicateSignature:
 package:account-plugin-facebook:(not installed)
 Unpacking account-plugin-facebook (0.12+16.04.20160126-0ubuntu1) ...
 dpkg: error processing archive /var/cache/apt/archives/account-plugin-facebook_0.12+16.04.20160126-0ubuntu1_all.deb (--unpack):
  trying to overwrite '/etc/signon-ui/webkit-options.d/www.facebook.com.conf', which is also in package kaccounts-providers 4:15.12.3-0ubuntu1
ErrorMessage: trying to overwrite '/etc/signon-ui/webkit-options.d/www.facebook.com.conf', which is also in package kaccounts-providers 4:15.12.3-0ubuntu1
InstallationDate: Installed on 2015-10-30 (285 days ago)
InstallationMedia: Kubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.1)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.12~ubuntu16.04.1
SourcePackage: account-plugins
Title: package account-plugin-facebook (not installed) failed to install/upgrade: trying to overwrite '/etc/signon-ui/webkit-options.d/www.facebook.com.conf', which is also in package kaccounts-providers 4:15.12.3-0ubuntu1
UpgradeStatus: Upgraded to xenial on 2016-08-01 (10 days ago)