package libqwt-qt5-dev (not installed) failed to install/upgrade: trying to overwrite '/usr/lib/x86_64-linux-gnu/qt5/plugins/designer/libqwt_designer_plugin.so', which is also in package libqwt6-qt5 6.1.1-0ubuntu1

[Hinko Kocevar]

package libqwt-qt5-dev (not installed) failed to install

ProblemType: Package
DistroRelease: Ubuntu 15.10
Package: libqwt-qt5-dev (not installed)
ProcVersionSignature: Ubuntu 4.2.0-25.30-generic 4.2.6
Uname: Linux 4.2.0-25-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
Date: Fri Jan 22 09:46:08 2016
DuplicateSignature: package:libqwt-qt5-dev:(not installed):trying to overwrite '/usr/lib/x86_64-linux-gnu/qt5/plugins/designer/libqwt_designer_plugin.so', which is also in package libqwt6-qt5 6.1.1-0ubuntu1
ErrorMessage: trying to overwrite '/usr/lib/x86_64-linux-gnu/qt5/plugins/designer/libqwt_designer_plugin.so', which is also in package libqwt6-qt5 6.1.1-0ubuntu1
RelatedPackageVersions:
 dpkg 1.18.2ubuntu5.1
 apt 1.0.10.2ubuntu1
SourcePackage: qwt
Title: package libqwt-qt5-dev (not installed) failed to install/upgrade: trying to overwrite '/usr/lib/x86_64-linux-gnu/qt5/plugins/designer/libqwt_designer_plugin.so', which is also in package libqwt6-qt5 6.1.1-0ubuntu1
UpgradeStatus: No upgrade log present (probably fresh install)