multi_source.reset_slave failed in buildbot

multi_source.reset_slave                 w1 [ fail ]

        Test ended at 2016-07-11 15:52:10

CURRENT_TEST: multi_source.reset_slave

--- /usr/share/mysql/mysql-test/suite/multi_source/reset_slave.result	2016-07-11 13:07:08.000000000 -0400

+++ /dev/shm/var/1/log/reset_slave.reject	2016-07-11 15:52:10.437753327 -0400

@@ -11,14 +11,14 @@

 stop slave 'master1';

 show slave 'master1' status;

 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

-	127.0.0.1	root	MYPORT_1	60	master-bin.000001	<read_master_log_pos>	mysqld-relay-bin-master1.000002	<relay_log_pos>	master-bin.000001	No	No							0		0	<read_master_log_pos>	<relay_log_space>	None		0	No						NULL	No	0		0			1			No				conservative

+	127.0.0.1	root	MYPORT_1	60	master-bin.000001	<read_master_log_pos>	mysqld-relay-bin-master1.000002	<relay_log_pos>	master-bin.000001	No	No							0		0	<read_master_log_pos>	1374	None		0	No						NULL	No	0		0			1			No				conservative

 mysqld-relay-bin-master1.000001

 mysqld-relay-bin-master1.000002

 mysqld-relay-bin-master1.index

 reset slave 'master1';

 show slave 'master1' status;

 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

-	127.0.0.1	root	MYPORT_1	60		4		<relay_log_pos>		No	No							0		0	0	<relay_log_space>	None		0	No						NULL	No	0		0			1			No				conservative

+	127.0.0.1	root	MYPORT_1	60		4		<relay_log_pos>		No	No							0		0	0	1374	None		0	No						NULL	No	0		0			1			No				conservative

 reset slave 'master1' all;

 show slave 'master1' status;

 ERROR HY000: There is no master connection 'master1'

mysqltest: Result length mismatch

 - saving '/dev/shm/var/1/log/multi_source.reset_slave/' to '/dev/shm/var/log/multi_source.reset_slave/'