package friendly-recovery 0.2.31ubuntu2.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

-- I was just doing a do-release-upgrade inside a lxc container from version 12.04 to 14.04 and was ok, the error ocurrend trying to do-release-upgrade from 14.04 to 16.04

I hope this info will be useful for you.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: friendly-recovery 0.2.31ubuntu2.1
ProcVersionSignature: Ubuntu 4.15.0-99.100-generic 4.15.18
Uname: Linux 4.15.0-99-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.23
Architecture: amd64
Date: Tue May 19 00:07:00 2020
ErrorMessage: subprocess installed post-installation script returned error exit status 1
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.6
 apt 1.2.32ubuntu0.1
SourcePackage: friendly-recovery
Title: package friendly-recovery 0.2.31ubuntu2.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to xenial on 2020-05-19 (0 days ago)