package base-files 9.4ubuntu4.3 failed to install/upgrade: package base-files is already installed and configured

[Antal istvan]

got it after fresh install on
- raspberry pi 3
- lubuntu 16.04.1

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: base-files 9.4ubuntu4.3
Uname: Linux 4.1.19-v7+ armv7l
ApportVersion: 2.20.1-0ubuntu2.4
AptdaemonVersion: 1.1.1+bzr982-0ubuntu14
Architecture: armhf
CrashReports:
 640:1000:124:1698192:2016-12-25 09:34:40.577913045 +0100:2016-12-25 09:34:41.577913045 +0100:/var/crash/_usr_bin_nm-applet.1000.crash
 664:1000:124:0:2016-12-25 09:34:42.567904019 +0100:2016-12-25 09:34:42.567904019 +0100:/var/crash/_usr_bin_nm-applet.1000.upload
 600:0:124:562525:2016-12-25 09:04:22.277937650 +0100:2016-12-25 09:04:23.277937650 +0100:/var/crash/base-files.0.crash
 600:116:124:0:2016-12-25 09:34:43.637894164 +0100:2016-12-25 09:34:43.637894164 +0100:/var/crash/_usr_bin_nm-applet.1000.uploaded
Date: Sun Dec 25 09:04:21 2016
Dependencies:

DpkgTerminalLog:
 dpkg: error processing package base-files (--configure):
  package base-files is already installed and configured
ErrorMessage: package base-files is already installed and configured
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.15ubuntu0.2
SourcePackage: dpkg
Title: package base-files 9.4ubuntu4.3 failed to install/upgrade: package base-files is already installed and configured
UpgradeStatus: No upgrade log present (probably fresh install)