sys_vars.innodb_buffer_pool_load_now_basic failed in buildbot with timeout

sys_vars.innodb_buffer_pool_load_now_basic 'innodb' w2 [ fail ]

        Test ended at 2017-10-11 11:24:15

CURRENT_TEST: sys_vars.innodb_buffer_pool_load_now_basic

Warning: /mnt/buildbot/build/mariadb-10.2.10/libmysqld/examples/mysqltest_embedded: unknown variable 'loose-ssl-ca=/mnt/buildbot/build/mariadb-10.2.10/mysql-test/std_data/cacert.pem'

Warning: /mnt/buildbot/build/mariadb-10.2.10/libmysqld/examples/mysqltest_embedded: unknown variable 'loose-ssl-cert=/mnt/buildbot/build/mariadb-10.2.10/mysql-test/std_data/client-cert.pem'

Warning: /mnt/buildbot/build/mariadb-10.2.10/libmysqld/examples/mysqltest_embedded: unknown variable 'loose-ssl-key=/mnt/buildbot/build/mariadb-10.2.10/mysql-test/std_data/client-key.pem'

Warning: /mnt/buildbot/build/mariadb-10.2.10/libmysqld/examples/mysqltest_embedded: unknown option '--loose-skip-ssl'

--- /mnt/buildbot/build/mariadb-10.2.10/mysql-test/suite/sys_vars/r/innodb_buffer_pool_load_now_basic.result	2017-10-11 06:31:58.000000000 -0400

+++ /mnt/buildbot/build/mariadb-10.2.10/mysql-test/suite/sys_vars/r/innodb_buffer_pool_load_now_basic.reject	2017-10-11 11:24:13.832609279 -0400

@@ -4,6 +4,17 @@

 0

 SET GLOBAL innodb_buffer_pool_dump_now = ON;

 SET GLOBAL innodb_buffer_pool_load_now = ON;

+Timeout in wait_condition.inc for SELECT variable_value != 'Buffer pool(s) load completed at 171011 11:23:43' &&

+SUBSTR(variable_value, 1, 33) = 'Buffer pool(s) load completed at '

+  FROM information_schema.global_status

+WHERE LOWER(variable_name) = 'innodb_buffer_pool_load_status'

+Id	User	Host	db	Command	Time	State	Info	Progress

+1	system user		NULL	Daemon	NULL	InnoDB purge coordinator	NULL	0.000

+4	system user		NULL	Daemon	NULL	InnoDB purge worker	NULL	0.000

+2	system user		NULL	Daemon	NULL	InnoDB purge worker	NULL	0.000

+3	system user		NULL	Daemon	NULL	InnoDB purge worker	NULL	0.000

+5	system user		NULL	Daemon	NULL	InnoDB shutdown handler	NULL	0.000

+6	root	localhost	test	Query	0	cleaning up	show full processlist	0.000

 SELECT variable_value

 FROM information_schema.global_status

 WHERE LOWER(variable_name) = 'innodb_buffer_pool_load_status';

mysqltest: Result length mismatch