package:mysql-server-5.7:5.7.19-0ubuntu0.16.04.1
Setting up mysql-server-5.7 (5.7.19-0ubuntu0.16.04.1) ...
mysql_upgrade: Got error: 1045: Access denied for user 'debian-sys-maint'@'localhost' (using password: YES) while connecting to the MySQL server
Upgrade process encountered error and will not continue.
mysql_upgrade failed with exit status 11
dpkg: error processing package mysql-server-5.7 (--configure):
 subprocess installed post-installation script returned error exit status 1