package mysql-server-5.7 not installed failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

Setting up mysql-server-5.7 (5.7.12-0ubuntu1) ...
Job for mysql.service failed because the control process exited with error code. See "systemctl status mysql.service" and "journalctl -xe" for details.
invoke-rc.d: initscript mysql, action "start" failed.
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: mysql-server-5.7 (not installed)
ProcVersionSignature: Ubuntu 4.4.0-24.43-generic 4.4.10
Uname: Linux 4.4.0-24-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
AptOrdering:
 mysql-server-5.7: Configure
 mysql-server: Configure
 NULL: ConfigurePending
Architecture: amd64
Date: Wed Jun 22 22:18:05 2016
DpkgTerminalLog:
 Setting up mysql-server-5.7 (5.7.12-0ubuntu1) ...
 Job for mysql.service failed because the control process exited with error code. See "systemctl status mysql.service" and "journalctl -xe" for details.
 invoke-rc.d: initscript mysql, action "start" failed.
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2016-06-19 (3 days ago)
InstallationMedia: Lubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.12~ubuntu16.04.1
SourcePackage: mysql-5.7
Title: package mysql-server-5.7 (not installed) failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to xenial on 2016-06-21 (1 days ago)