mysqld: Table 'mysql.plugin' doesn't exist
2017-11-16T17:37:19.221076Z 0 [ERROR] Can't open the mysql.plugin table. Please run mysql_upgrade to create it.
It sounds like there is something wrong with your data-directory.
Are you using 5.6 data-directory with 5.7 binaries (w/o running mysql-upgrade).
From the recovery log
mysqld: Table 'mysql.plugin' doesn't exist 16T17:37: 19.221076Z 0 [ERROR] Can't open the mysql.plugin table. Please run mysql_upgrade to create it.
2017-11-
It sounds like there is something wrong with your data-directory.
Are you using 5.6 data-directory with 5.7 binaries (w/o running mysql-upgrade).