Preparing to unpack .../nethogs_0.8.1-0.3_amd64.deb ...
Unpacking nethogs (0.8.1-0.3) ...
Processing triggers for man-db (2.7.5-1) ...
Setting up mysql-server-5.7 (5.7.22-0ubuntu0.16.04.1) ...
mysql_upgrade: Got error: 1045: Access denied for user 'root'@'localhost' (using password: NO) 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