root@mysql-backup-5684d4fb9b-9t6dd:/# mysqldump -h 10.0.0.20 --lock-tables --all-databases --single-transaction --user=root --password=secret  > all_databases.sql
mysqldump: [Warning] Using a password on the command line interface can be insecure.
mysqldump: Couldn't execute 'SELECT COLUMN_NAME,                       JSON_EXTRACT(HISTOGRAM, '$."number-of-buckets-specified"')                FROM information_schema.COLUMN_STATISTICS                WHERE SCHEMA_NAME = 'mysql' AND TABLE_NAME = 'columns_priv';': Unknown table 'COLUMN_STATISTICS' in information_schema (1109)