binlog_encryption.rpl_checksum fails sporadically in buildbot

binlog_encryption.rpl_checksum 'mix'     w4 [ fail ]

        Test ended at 2016-12-05 13:58:46

CURRENT_TEST: binlog_encryption.rpl_checksum

--- /home/buildbot/maria-slave/power8-vlp03-bintar-debug/build/mysql-test/suite/binlog_encryption/rpl_checksum.result	2016-12-05 13:18:06.104205208 -0500

+++ /home/buildbot/maria-slave/power8-vlp03-bintar-debug/build/mysql-test/suite/binlog_encryption/rpl_checksum.reject	2016-12-05 13:58:45.454421184 -0500

@@ -71,7 +71,7 @@

 set @@global.debug_dbug='d,simulate_slave_unaware_checksum';

 start slave;

 include/wait_for_slave_io_error.inc [errno=1236]

-Last_IO_Error = 'Got fatal error 1236 from master when reading data from binary log: 'Slave can not handle replication events with the checksum that master is configured to log; the first event 'master-bin.000009' at 404, the last event read from 'master-bin.000010' at 4, the last byte read from 'master-bin.000010' at 249.''

+Last_IO_Error = 'Got fatal error 1236 from master when reading data from binary log: 'Slave can not handle replication events with the checksum that master is configured to log; the first event 'master-bin.000009' at 444, the last event read from 'master-bin.000010' at 4, the last byte read from 'master-bin.000010' at 249.''

 select count(*) as zero from t1;

 zero

 0

mysqltest: Result content mismatch