multi_source.info_logs sporadically fails in buildbot, wrong result

CURRENT_TEST: multi_source.info_logs

--- /mnt/buildbot/build/mariadb-10.1.14/mysql-test/suite/multi_source/info_logs.result	2016-05-06 14:03:15.000000000 +0300

+++ /mnt/buildbot/build/mariadb-10.1.14/mysql-test/suite/multi_source/info_logs.reject	2016-05-06 19:49:25.000000000 +0300

@@ -86,7 +86,7 @@

 show all slaves status;

 Connection_name	Slave_SQL_State	Slave_IO_State	Master_Host	Master_User	Master_Port	Connect_Retry	Master_Log_File	Read_Master_Log_Pos	Relay_Log_File	Relay_Log_Pos	Relay_Master_Log_File	Slave_IO_Running	Slave_SQL_Running	Replicate_Do_DB	Replicate_Ignore_DB	Replicate_Do_Table	Replicate_Ignore_Table	Replicate_Wild_Do_Table	Replicate_Wild_Ignore_Table	Last_Errno	Last_Error	Skip_Counter	Exec_Master_Log_Pos	Relay_Log_Space	Until_Condition	Until_Log_File	Until_Log_Pos	Master_SSL_Allowed	Master_SSL_CA_File	Master_SSL_CA_Path	Master_SSL_Cert	Master_SSL_Cipher	Master_SSL_Key	Seconds_Behind_Master	Master_SSL_Verify_Server_Cert	Last_IO_Errno	Last_IO_Error	Last_SQL_Errno	Last_SQL_Error	Replicate_Ignore_Server_Ids	Master_Server_Id	Master_SSL_Crl	Master_SSL_Crlpath	Using_Gtid	Gtid_IO_Pos	Replicate_Do_Domain_Ids	Replicate_Ignore_Domain_Ids	Parallel_Mode	Retried_transactions	Max_relay_log_size	Executed_log_entries	Slave_received_heartbeats	Slave_heartbeat_period	Gtid_Slave_Pos

 	Slave has read all relay log; waiting for the slave I/O thread to update it	Waiting for master to send event	127.0.0.1	root	MYPORT_1	60	master-bin.000001	<read_master_log_pos>	relay.000002	<relay_log_pos>	master-bin.000001	Yes	Yes							0		0	<read_master_log_pos>	<relay_log_space1>	None		0	No						0	No	0		0			1			No				conservative	0	1073741824	7	0	60.000	

-MASTER 2.2	Slave has read all relay log; waiting for the slave I/O thread to update it	Waiting for master to send event	127.0.0.1	root	MYPORT_2	60	master-bin.000001	<read_master_log_pos>	relay-master@00202@002e2.000002	<relay_log_pos>	master-bin.000001	Yes	Yes							0		0	<read_master_log_pos>	<relay_log_space2>	None		0	No						0	No	0		0			2			No				conservative	0	1073741824	7	0	60.000	

+MASTER 2.2	Slave has read all relay log; waiting for the slave I/O thread to update it	Waiting for master to send event	127.0.0.1	root	MYPORT_2	60	master-bin.000001	<read_master_log_pos>	relay-master@00202@002e2.000002	<relay_log_pos>	master-bin.000001	Yes	Yes							0		0	<read_master_log_pos>	885	None		0	No						0	No	0		0			2			No				conservative	0	1073741824	7	0	60.000	

 include/wait_for_slave_to_start.inc

 set default_master_connection = 'MASTER 2.2';

 include/wait_for_slave_to_start.inc

mysqltest: Result length mismatch