multi_source.simple test fails sporadically

multi_source.simple                      w3 [ fail ]

        Test ended at 2013-06-08 02:47:36

CURRENT_TEST: multi_source.simple

--- /usr/share/mysql/mysql-test/suite/multi_source/simple.result	2013-06-07 23:29:20.000000000 +0300

+++ /run/shm/var/3/log/simple.reject	2013-06-08 02:47:36.017375264 +0300

@@ -12,7 +12,7 @@

 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	Using_Gtid	Retried_transactions	Max_relay_log_size	Executed_log_entries	Slave_received_heartbeats	Slave_heartbeat_period	Gtid_Slave_Pos

 slave1	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	313	mysqld-relay-bin-slave1.000002	601	master-bin.000001	Yes	Yes							0		0	313	906	None		0	No						0	No	0		0			1	No	0	1073741824	7	0	60.000	

-slave2	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	313	mysqld-relay-bin-slave2.000002	601	master-bin.000001	Yes	Yes							0		0	313	906	None		0	No						0	No	0		0			2	No	0	1073741824	7	0	60.000	

+slave2	Reading event from the relay log	Waiting for master to send event	127.0.0.1	root	MYPORT_2	60	master-bin.000001	313	mysqld-relay-bin-slave2.000002	601	master-bin.000001	Yes	Yes							0		0	313	906	None		0	No						0	No	0		0			2	No	0	1073741824	6	0	60.000	

 start all slaves;

 stop slave 'slave1';

 show slave 'slave1' status;

mysqltest: Result length mismatch