package libnss3:amd64 2:3.21-0ubuntu0.14.04.2 failed to install/upgrade: package libnss3:amd64 is already installed and configured

[Ashwin]

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ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: libnss3:amd64 2:3.21-0ubuntu0.14.04.2
ProcVersionSignature: Ubuntu 3.13.0-85.129-generic 3.13.11-ckt36
Uname: Linux 3.13.0-85-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.19
AptdaemonVersion: 1.1.1-1ubuntu5.2
Architecture: amd64
CrashReports:
 640:0:123:2864211:2016-04-20 16:28:24.674751281 +0530:2016-04-20 16:28:25.674751281 +0530:/var/crash/libnss3-nssdb.0.crash
 640:1001:123:46172:2016-04-20 16:02:50.976303501 +0530:2016-04-20 16:20:52.826450189 +0530:/var/crash/_usr_share_apport_apport-gtk.1001.crash
 640:1001:123:7492059:2016-04-20 16:02:49.616303453 +0530:2016-04-20 16:02:50.120303471 +0530:/var/crash/_usr_lib_libreoffice_program_soffice.bin.1001.crash
 644:0:123:0:2016-04-20 16:28:28.073551424 +0530:2016-04-20 16:28:28.073551424 +0530:/var/crash/libnss3-nssdb.0.upload
 600:0:123:439050:2016-04-20 12:59:30.428379774 +0530:2016-04-20 12:59:31.428379774 +0530:/var/crash/libnss3:amd64.0.crash
Date: Wed Apr 20 12:59:31 2016
DistributionChannelDescriptor:
 # This is a distribution channel descriptor
 # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
 canonical-oem-somerville-trusty-amd64-20140620-0
DuplicateSignature: package:libnss3:amd64:2:3.21-0ubuntu0.14.04.2:package libnss3:amd64 is already installed and configured
ErrorMessage: package libnss3:amd64 is already installed and configured
InstallationDate: Installed on 2015-12-09 (132 days ago)
InstallationMedia: Ubuntu 14.04 "Trusty" - Build amd64 LIVE Binary 20140620-04:25
RelatedPackageVersions:
 dpkg 1.17.5ubuntu5.5
 apt 1.0.1ubuntu2.12
SourcePackage: dpkg
Title: package libnss3:amd64 2:3.21-0ubuntu0.14.04.2 failed to install/upgrade: package libnss3:amd64 is already installed and configured
UpgradeStatus: No upgrade log present (probably fresh install)