rpl.rpl_upgrade_master_info fails sporadically in buildbot

rpl.rpl_upgrade_master_info 'stmt'       w3 [ fail ]  Found warnings/errors in server log file!

        Test ended at 2016-12-21 04:28:40

line

2016-12-21  4:28:23 1328198976 [ERROR] mysqld: Table './mysql/gtid_slave_pos' is marked as crashed and should be repaired

2016-12-21  4:28:23 1328198976 [Warning] Checking table:   './mysql/gtid_slave_pos'

2016-12-21  4:28:23 1328198976 [ERROR] mysql.gtid_slave_pos: 1 client is using or hasn't closed the table properly

2016-12-21  4:28:24 1329714496 [ERROR] mysqld: Table './test/t1' is marked as crashed and should be repaired

2016-12-21  4:28:24 1329714496 [Warning] Checking table:   './test/t1'

2016-12-21  4:28:24 1329714496 [ERROR] test.t1: 1 client is using or hasn't closed the table properly

^ Found warnings in /usr/local/mariadb-10.2.3-linux-x86_64/mysql-test/var/3/log/mysqld.2.err

ok

 - skipping '/usr/local/mariadb-10.2.3-linux-x86_64/mysql-test/var/3/log/rpl.rpl_upgrade_master_info-stmt/'

Retrying test rpl.rpl_upgrade_master_info, attempt(2/3)...