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-144/2016-12-28-1221/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2016-12-28-1221/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2016-12-28-1221/samba.stdout
  
The top commit at the time of the failure was:

commit 3660c76dce8bfb8b20832cd10151f832d367d9bb
Author: Martin Schwenke <martin at meltin.net>
Date:   Wed Dec 28 06:18:26 2016 +1100

    ctdb-takeover: Clean up when exiting on error
    
    Signed-off-by: Martin Schwenke <martin at meltin.net>
    Reviewed-by: David Disseldorp <ddiss at samba.org>
    
    Autobuild-User(master): David Disseldorp <ddiss at samba.org>
    Autobuild-Date(master): Wed Dec 28 05:18:08 CET 2016 on sn-devel-144