package lldpad (not installed) failed to install/upgrade: trying to overwrite '/usr/share/man/man8/dcbtool.8.gz', which is also in package dcbd 0.9.19-0ubuntu3

[paul farnham]

could not install via synaptic

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: lldpad (not installed)
ProcVersionSignature: Ubuntu 4.8.0-46.49~16.04.1-generic 4.8.17
Uname: Linux 4.8.0-46-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
Date: Thu Apr 13 01:30:33 2017
DuplicateSignature:
 package:lldpad:(not installed)
 Unpacking lldpad (0.9.46-3.1) ...
 dpkg: error processing archive /var/cache/apt/archives/lldpad_0.9.46-3.1_amd64.deb (--unpack):
  trying to overwrite '/usr/share/man/man8/dcbtool.8.gz', which is also in package dcbd 0.9.19-0ubuntu3
ErrorMessage: trying to overwrite '/usr/share/man/man8/dcbtool.8.gz', which is also in package dcbd 0.9.19-0ubuntu3
InstallationDate: Installed on 2017-04-12 (0 days ago)
InstallationMedia: Ubuntu-MATE 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.19
SourcePackage: lldpad
Title: package lldpad (not installed) failed to install/upgrade: trying to overwrite '/usr/share/man/man8/dcbtool.8.gz', which is also in package dcbd 0.9.19-0ubuntu3
UpgradeStatus: No upgrade log present (probably fresh install)