package kismet 2013.03.R1b-3build1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 6

[Matthew Grannan]

I opened my computer to see a notification of above problem. I have no details; other than it has been difficult to update this system due to bugs that come up on updating process.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: kismet 2013.03.R1b-3build1
ProcVersionSignature: Ubuntu 4.4.0-128.154-generic 4.4.131
Uname: Linux 4.4.0-128-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
Date: Mon Jul 2 08:23:10 2018
DpkgHistoryLog:
 Start-Date: 2018-07-02 08:22:17
 Commandline: /usr/bin/unattended-upgrade
 Install: linux-headers-4.4.0-130:amd64 (4.4.0-130.156, automatic), linux-image-extra-4.4.0-130-generic:amd64 (4.4.0-130.156, automatic), linux-headers-4.4.0-130-generic:amd64 (4.4.0-130.156, automatic), linux-image-4.4.0-130-generic:amd64 (4.4.0-130.156, automatic), linux-signed-image-4.4.0-130-generic:amd64 (4.4.0-130.156, automatic)
 Upgrade: linux-headers-generic:amd64 (4.4.0.128.134, 4.4.0.130.136), linux-libc-dev:amd64 (4.4.0-128.154, 4.4.0-130.156), linux-image-generic:amd64 (4.4.0.128.134, 4.4.0.130.136), linux-signed-image-generic:amd64 (4.4.0.128.134, 4.4.0.130.136), linux-signed-generic:amd64 (4.4.0.128.134, 4.4.0.130.136), linux-generic:amd64 (4.4.0.128.134, 4.4.0.130.136)
DuplicateSignature:
 package:kismet:2013.03.R1b-3build1
 Setting up kismet (2013.03.R1b-3build1) ...
 usermod: user 'Matt' does not exist
 dpkg: error processing package kismet (--configure):
  subprocess installed post-installation script returned error exit status 6
ErrorMessage: subprocess installed post-installation script returned error exit status 6
InstallationDate: Installed on 2016-08-06 (695 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.2
 apt 1.2.20
SourcePackage: kismet
Title: package kismet 2013.03.R1b-3build1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 6
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.