autobuild[sn-devel-144]: intermittent test failure detected

[autobuild]

The autobuild test system (on sn-devel-144) has detected an intermittent failing test in 
the current master tree.

The autobuild log of the failure is available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-06-20-0908/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-06-20-0908/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-06-20-0908/samba.stdout
  
The top commit at the time of the failure was:

commit ac4b78848db1dac7e0316653d2cafe3a32990e06
Author: Amitay Isaacs <amitay at gmail.com>
Date:   Tue Jun 13 15:32:36 2017 +1000

    ctdb-locking: If a record could not be locked, log the key
    
    Signed-off-by: Amitay Isaacs <amitay at gmail.com>
    Reviewed-by: Martin Schwenke <martin at meltin.net>
    
    Autobuild-User(master): Martin Schwenke <martins at samba.org>
    Autobuild-Date(master): Mon Jun 19 19:56:22 CEST 2017 on sn-devel-144