package mysql-server-5.7 5.7.13-0ubuntu0.16.04.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Gilad Ravid]

sudo dpkg --debug=7 --configure mysql-server-5.7
D000001: ensure_diversions: new, (re)loading
D000001: process queue pkg mysql-server-5.7:amd64 queue.len 0 progress 1, try 1
Setting up mysql-server-5.7 (5.7.13-0ubuntu0.16.04.2) ...
D000002: fork/exec /var/lib/dpkg/info/mysql-server-5.7.postinst ( configure 5.7.12-0ubuntu1.1 )
Renaming removed key_buffer and myisam-recover options (if present)
dpkg: error processing package mysql-server-5.7 (--configure):
 subprocess installed post-installation script returned error exit status 1
D000001: ensure_diversions: same, skipping
Errors were encountered while processing:
 mysql-server-5.7

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: mysql-server-5.7 5.7.13-0ubuntu0.16.04.2
ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
Uname: Linux 4.4.0-31-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
AptOrdering:
 mysql-server-5.7: Configure
 mysql-server: Configure
 NULL: ConfigurePending
Architecture: amd64
Date: Mon Jul 25 10:13:25 2016
DpkgTerminalLog:
 Setting up mysql-server-5.7 (5.7.13-0ubuntu0.16.04.2) ...
 Renaming removed key_buffer and myisam-recover options (if present)
 dpkg: error processing package mysql-server-5.7 (--configure):
  subprocess installed post-installation script returned error exit status 1
DuplicateSignature:
 package:mysql-server-5.7:5.7.13-0ubuntu0.16.04.2
 Setting up mysql-server-5.7 (5.7.13-0ubuntu0.16.04.2) ...
 Renaming removed key_buffer and myisam-recover options (if present)
 dpkg: error processing package mysql-server-5.7 (--configure):
  subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2016-04-25 (90 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
Logs.var.log.daemon.log:

MySQLConf.etc.mysql.conf.d.mysql.cnf:
 [mysqld]
 skip-grant-tables
MySQLConf.etc.mysql.conf.d.mysqldump.cnf:
 [mysqldump]
 quick
 quote-names
 max_allowed_packet = 16M
MySQLConf.etc.mysql.mysql.conf.d.mysqld_safe_syslog.cnf:
 [mysqld_safe]
 syslog
MySQLVarLibDirListing: ['mp', 'ib_buffer_pool', 'mysql', 'ibtmp1', 'debian-5.7.flag', 'ib_logfile1', 'sys', 'ib_logfile0', 'auto.cnf', 'mysql_upgrade_info', 'ibdata1', 'performance_schema']
ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-4.4.0-31-generic.efi.signed root=UUID=74f072c7-7dce-4342-9b4f-241f685de322 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.12~ubuntu16.04.1
SourcePackage: mysql-5.7
Title: package mysql-server-5.7 5.7.13-0ubuntu0.16.04.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

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

[Raul Dias (rsd)]

Starting the socket in:
Version: '5.7.13-0ubuntu0.16.04.2' socket: '/tmp/tmp.8DSpCen7kR/mysqld.sock' port: 3306 (Ubuntu)
during config phase.