package libpcap0.8 1.7.4-2 [modified: usr/share/doc/libpcap0.8/CREDITS.gz usr/share/doc/libpcap0.8/changelog.Debian.gz usr/share/man/man7/pcap-filter.7.gz] failed to install/upgrade: trying to overwrite shared '/usr/share/doc/libpcap0.8/CREDITS.gz', which is different from other instances of package libpcap0.8:i386

libpcap issue ..
wash -i mon0 was not working so i read somewhere on forum to install this particular version of libcap ,, and this issue since

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: libpcap0.8 1.7.4-2 [modified: usr/share/doc/libpcap0.8/CREDITS.gz usr/share/doc/libpcap0.8/changelog.Debian.gz usr/share/man/man7/pcap-filter.7.gz]
ProcVersionSignature: Ubuntu 4.4.0-28.47-generic 4.4.13
Uname: Linux 4.4.0-28-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
AptOrdering:
 libpcap0.8: Install
 libpcap0.8: Configure
 libpcap0.8: Configure
 NULL: ConfigurePending
Architecture: amd64
Date: Wed Jul 6 14:13:14 2016
Dependencies:
 gcc-6-base 6.0.1-0ubuntu1
 libc6 2.23-0ubuntu3
 libgcc1 1:6.0.1-0ubuntu1
DpkgTerminalLog:
 Preparing to unpack .../libpcap0.8_1.7.4-2_i386.deb ...
 Unpacking libpcap0.8:i386 (1.7.4-2) over (1.4.0-2) ...
 dpkg: error processing archive /var/cache/apt/archives/libpcap0.8_1.7.4-2_i386.deb (--unpack):
  trying to overwrite shared '/usr/share/doc/libpcap0.8/CREDITS.gz', which is different from other instances of package libpcap0.8:i386
DuplicateSignature:
 package:libpcap0.8:1.7.4-2 [modified: usr/share/doc/libpcap0.8/CREDITS.gz usr/share/doc/libpcap0.8/changelog.Debian.gz usr/share/man/man7/pcap-filter.7.gz]
 Unpacking libpcap0.8:i386 (1.7.4-2) over (1.4.0-2) ...
 dpkg: error processing archive /var/cache/apt/archives/libpcap0.8_1.7.4-2_i386.deb (--unpack):
  trying to overwrite shared '/usr/share/doc/libpcap0.8/CREDITS.gz', which is different from other instances of package libpcap0.8:i386
ErrorMessage: trying to overwrite shared '/usr/share/doc/libpcap0.8/CREDITS.gz', which is different from other instances of package libpcap0.8:i386
InstallationDate: Installed on 2016-07-05 (0 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.12~ubuntu16.04.1
SourcePackage: libpcap
Title: package libpcap0.8 1.7.4-2 [modified: usr/share/doc/libpcap0.8/CREDITS.gz usr/share/doc/libpcap0.8/changelog.Debian.gz usr/share/man/man7/pcap-filter.7.gz] failed to install/upgrade: trying to overwrite shared '/usr/share/doc/libpcap0.8/CREDITS.gz', which is different from other instances of package libpcap0.8:i386
UpgradeStatus: No upgrade log present (probably fresh install)