package libsane1 1.0.27-1~experimental3ubuntu1 failed to install/upgrade: trying to overwrite shared '/lib/udev/hwdb.d/20-sane.hwdb', which is different from other instances of package libsane1:i386

[salvam]

:(

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: libsane1 1.0.27-1~experimental3ubuntu1
ProcVersionSignature: Ubuntu 4.13.0-25.29-generic 4.13.13
Uname: Linux 4.13.0-25-generic x86_64
ApportVersion: 2.20.8-0ubuntu6
Architecture: amd64
Date: Thu Jan 25 14:20:28 2018
DuplicateSignature:
 package:libsane1:1.0.27-1~experimental3ubuntu1
 Unpacking libsane1:i386 (1.0.27-1~experimental3ubuntu1) ...
 dpkg: error processing archive /tmp/apt-dpkg-install-BrlDLI/29-libsane1_1.0.27-1~experimental3ubuntu1_i386.deb (--unpack):
  trying to overwrite shared '/lib/udev/hwdb.d/20-sane.hwdb', which is different from other instances of package libsane1:i386
ErrorMessage: trying to overwrite shared '/lib/udev/hwdb.d/20-sane.hwdb', which is different from other instances of package libsane1:i386
InstallationDate: Installed on 2015-10-16 (831 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
Python3Details: /usr/bin/python3.6, Python 3.6.4, python3-minimal, 3.6.3-0ubuntu2
PythonDetails: /usr/bin/python2.7, Python 2.7.14+, python-minimal, 2.7.14-2ubuntu1
RelatedPackageVersions:
 dpkg 1.19.0.4ubuntu1
 apt 1.6~alpha5
SourcePackage: sane-backends
Title: package libsane1 1.0.27-1~experimental3ubuntu1 failed to install/upgrade: trying to overwrite shared '/lib/udev/hwdb.d/20-sane.hwdb', which is different from other instances of package libsane1:i386
UpgradeStatus: No upgrade log present (probably fresh install)