package mysql-common 5.7.13-0ubuntu0.16.04.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2

[afspear]

I also can't just uninstall any mysql packages via apt.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: mysql-common 5.7.13-0ubuntu0.16.04.2
ProcVersionSignature: Ubuntu 4.4.0-36.55-generic 4.4.16
Uname: Linux 4.4.0-36-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
Date: Fri Sep 2 15:35:28 2016
Dependencies:

DuplicateSignature:
 package:mysql-common:5.7.13-0ubuntu0.16.04.2
 Setting up mysql-common (5.7.13-0ubuntu0.16.04.2) ...
 update-alternatives: error: alternative path /etc/mysql/my.cnf.fallback doesn't exist
 dpkg: error processing package mysql-common (--configure):
  subprocess installed post-installation script returned error exit status 2
ErrorMessage: subprocess installed post-installation script returned error exit status 2
InstallationDate: Installed on 2016-01-04 (243 days ago)
InstallationMedia: Ubuntu-GNOME 15.10 "Wily Werewolf" - Release amd64 (20151021)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.12~ubuntu16.04.1
SourcePackage: mysql-5.7
Title: package mysql-common 5.7.13-0ubuntu0.16.04.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2
UpgradeStatus: Upgraded to xenial on 2016-04-25 (132 days ago)
modified.conffile..etc.mysql.conf.d.mysql.cnf: [deleted]
modified.conffile..etc.mysql.conf.d.mysqldump.cnf: [deleted]
modified.conffile..etc.mysql.my.cnf.fallback: [deleted]

[Launchpad Janitor (janitor)]

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

[Christian Ehrhardt  (paelzer)]

Hi,
thank you for reporting this bug and your help to make Ubuntu better.

I think this is a dup to 1431345.
Please follow the guidance there and reopen this bug if you think it is a different issue.