package:mysql-server-8.0:8.0.21-0ubuntu0.20.04.4
Installing new version of config file /etc/mysql/mysql.conf.d/mysqld.cnf ...
update-alternatives: using /etc/mysql/mysql.cnf to provide /etc/mysql/my.cnf (my.cnf) in auto mode
Renaming removed key_buffer and myisam-recover options (if present)
mysqld will log errors to /var/log/mysql/error.log
mysqld is running as pid 21763
Error: Unable to shut down server with process id 21763
dpkg: error processing package mysql-server-8.0 (--configure):
 installed mysql-server-8.0 package post-installation script subprocess returned error exit status 1