autobuild[sn-devel-104]: intermittent test failure detected

[autobuild]

The autobuild test system (on sn-devel-104) 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-104/2016-07-06-1604/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-104/2016-07-06-1604/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-104/2016-07-06-1604/samba.stdout
  
The top commit at the time of the failure was:

commit 9ec9e6f77ba0dcb9af169d90879e4e78e4b65812
Author: Martin Schwenke <martin at meltin.net>
Date:   Wed Jun 29 18:11:44 2016 +1000

    ctdb-scripts: Quote some variable expansions
    
    This avoids relevant shellcheck warnings.  This is most of the
    shellcheck low hanging fruit in the non-test code.  Many of the other
    warnings produced by shellcheck are either false positives, are
    non-trivial to fix or a fix may result in worse code.
    
    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 Jul  6 08:15:49 CEST 2016 on sn-devel-144