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-144/2018-03-28-1226/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2018-03-28-1226/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2018-03-28-1226/samba.stdout
  
The top commit at the time of the failure was:

commit 4e0cf2fa766eed922e86428b2ecdf3da0a27bc9b
Author: Martin Schwenke <martin at meltin.net>
Date:   Tue Mar 20 20:20:55 2018 +1100

    ctdb-tests: Delete unused fake /etc/sysconfig/ctdb file
    
    The only remaining item is a setting of CTDB_DEBUGLEVEL, which is not
    required.
    
    Signed-off-by: Martin Schwenke <martin at meltin.net>
    Reviewed-by: Amitay Isaacs <amitay at gmail.com>
    
    Autobuild-User(master): Amitay Isaacs <amitay at samba.org>
    Autobuild-Date(master): Wed Mar 28 07:27:58 CEST 2018 on sn-devel-144