package libp11-kit-gnome-keyring 3.28.0.2-1ubuntu1 failed to install/upgrade: libp11-kit-gnome-keyring:all 3.28.0.2-1ubuntu1 (Multi-Arch: no) is not co-installable with libp11-kit-gnome-keyring which has multiple installed instances

[Ivan Bella]

during upgrade to ubuntu 18.04

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: libp11-kit-gnome-keyring 3.28.0.2-1ubuntu1
ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
Uname: Linux 4.15.0-20-generic x86_64
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
Date: Sun May 6 15:18:24 2018
Dependencies:
 gcc-8-base 8-20180414-1ubuntu2
 gnome-keyring-pkcs11 3.28.0.2-1ubuntu1
 libc6 2.27-3ubuntu1
 libgcc1 1:8-20180414-1ubuntu2
DuplicateSignature:
 package:libp11-kit-gnome-keyring:3.28.0.2-1ubuntu1
 Unpacking gnome-initial-setup (3.28.0-2ubuntu6) ...
 dpkg: error processing archive /tmp/apt-dpkg-install-hsJXDs/0496-libp11-kit-gnome-keyring_3.28.0.2-1ubuntu1_all.deb (--unpack):
  libp11-kit-gnome-keyring:all 3.28.0.2-1ubuntu1 (Multi-Arch: no) is not co-installable with libp11-kit-gnome-keyring which has multiple installed instances
ErrorMessage: libp11-kit-gnome-keyring:all 3.28.0.2-1ubuntu1 (Multi-Arch: no) is not co-installable with libp11-kit-gnome-keyring which has multiple installed instances
InstallationDate: Installed on 2011-09-15 (2425 days ago)
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
PackageArchitecture: all
Python3Details: /usr/bin/python3.6, Python 3.6.5, python3-minimal, 3.6.5-3
PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal, 2.7.15~rc1-1
RelatedPackageVersions:
 dpkg 1.19.0.5ubuntu2
 apt 1.6.1
SourcePackage: gnome-keyring
Title: package libp11-kit-gnome-keyring 3.28.0.2-1ubuntu1 failed to install/upgrade: libp11-kit-gnome-keyring:all 3.28.0.2-1ubuntu1 (Multi-Arch: no) is not co-installable with libp11-kit-gnome-keyring which has multiple installed instances
UpgradeStatus: Upgraded to bionic on 2018-05-06 (0 days ago)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Amael (amael)]

Same here on Ubuntu 18.04 upgrade from Ubuntu 16.04 LTS

[Amael (amael)]

Fixed it by removing the package :
sudo apt remove libp11-kit-gnome-keyring
sudo apt --fix-broken install