REPLICATION MASTER ADMIN is missing in root account after upgrade

-- source include/mysql_upgrade_preparation.inc

-- source include/have_working_dns.inc

-- source include/have_innodb.inc

-- source include/have_partition.inc

let $MYSQLD_DATADIR= `select @@datadir`;

--source include/switch_to_mysql_user.inc

DROP VIEW mysql.user_bak;

FLUSH PRIVILEGES;

SHOW GRANTS FOR root@localhost;

--echo # mysql_upgrade --force --silent 2>&1

--exec $MYSQL_UPGRADE --force --silent 2>&1

--remove_file $MYSQLD_DATADIR/mysql_upgrade_info

FLUSH PRIVILEGES;

SHOW GRANTS FOR root@localhost;

DROP TABLE mysql.global_priv;

RENAME TABLE mysql.global_priv_bak TO mysql.global_priv;

FLUSH PRIVILEGES;

SHOW GRANTS FOR root@localhost;

DROP VIEW mysql.user_bak;

FLUSH PRIVILEGES;

SHOW GRANTS FOR root@localhost;

Grants for root@localhost

GRANT ALL PRIVILEGES ON *.* TO `root`@`localhost` WITH GRANT OPTION

GRANT PROXY ON ''@'%' TO 'root'@'localhost' WITH GRANT OPTION

# mysql_upgrade --force --silent 2>&1

FLUSH PRIVILEGES;

SHOW GRANTS FOR root@localhost;

Grants for root@localhost

GRANT SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, RELOAD, SHUTDOWN, PROCESS, FILE, REFERENCES, INDEX, ALTER, SHOW DATABASES, SUPER, CREATE TEMPORARY TABLES, LOCK TABLES, EXECUTE, REPLICATION SLAVE, BINLOG MONITOR, CREATE VIEW, SHOW VIEW, CREATE ROUTINE, ALTER ROUTINE, CREATE USER, EVENT, TRIGGER, CREATE TABLESPACE, DELETE HISTORY, SET USER, FEDERATED ADMIN, CONNECTION ADMIN, READ_ONLY ADMIN, REPLICATION SLAVE ADMIN, BINLOG ADMIN, BINLOG REPLAY ON *.* TO `root`@`localhost` WITH GRANT OPTION

GRANT PROXY ON ''@'%' TO 'root'@'localhost' WITH GRANT OPTION

DROP TABLE mysql.global_priv;

RENAME TABLE mysql.global_priv_bak TO mysql.global_priv;

FLUSH PRIVILEGES;

SHOW GRANTS FOR root@localhost;

Grants for root@localhost

GRANT ALL PRIVILEGES ON *.* TO `root`@`localhost` WITH GRANT OPTION

GRANT PROXY ON ''@'%' TO 'root'@'localhost' WITH GRANT OPTION