main.ssl_timeout failed in buildbot

main.ssl_timeout                         w1 [ fail ]

        Test ended at 2016-11-04 15:38:42

CURRENT_TEST: main.ssl_timeout

mysqltest: At line 10: query 'SELECT (VARIABLE_VALUE <> '') AS have_ssl FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME='Ssl_cipher'' failed: 2013: Lost connection to MySQL server during query

The result from queries just before the failure was:

# connect with read timeout so SLEEP() should timeout

connect  ssl_con,localhost,root,,,,,SSL read_timeout=5;

# Check ssl turned on

SELECT (VARIABLE_VALUE <> '') AS have_ssl FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME='Ssl_cipher';

 - skipping '/dev/shm/var/1/log/main.ssl_timeout/'