package linux-firmware 1.157.20 failed to install/upgrade: package linux-firmware is already installed and configured

[montes marco]

using ubuntu xerial 16.04 repositories and rebooting the system

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: linux-firmware 1.157.20
ProcVersionSignature: Ubuntu 4.15.0-24.26~16.04.1-generic 4.15.18
Uname: Linux 4.15.0-24-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.18
AptdaemonVersion: 1.1.1+bzr982-0ubuntu14
Architecture: amd64
CrashReports:
 600:0:117:82846:2018-07-04 14:41:50.754004716 +0200:2018-07-04 14:41:51.754004716 +0200:/var/crash/linux-firmware.0.crash
 600:0:117:82854:2018-07-04 14:41:50.706003427 +0200:2018-07-04 14:41:51.706003427 +0200:/var/crash/ubuntu-core-launcher.0.crash
 600:0:117:82824:2018-07-04 14:41:51.670002370 +0200:2018-07-04 14:41:51.565999393 +0200:/var/crash/snapd.0.crash
Date: Wed Jul 4 14:41:51 2018
Dependencies:

DuplicateSignature:
 package:linux-firmware:1.157.20
 Processing triggers for doc-base (0.10.7) ...
 Procesando 1 archivo doc-base añadido...
 dpkg: error processing package snapd (--configure):
  package snapd is already installed and configured
ErrorMessage: package linux-firmware is already installed and configured
InstallationDate: Installed on 2018-02-26 (127 days ago)
InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.4
 apt 1.2.27
SourcePackage: dpkg
Title: package linux-firmware 1.157.20 failed to install/upgrade: package linux-firmware is already installed and configured
UpgradeStatus: No upgrade log present (probably fresh install)