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

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-144/2016-12-05-1350/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2016-12-05-1350/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2016-12-05-1350/samba.stdout
  
The top commit at the time of the failure was:

commit 3de13cbc64405998f138c57df45b2e44ef0efdde
Author: Martin Schwenke <[email protected]>
Date:   Thu Nov 24 14:48:04 2016 +1100

    debug: Add minimalist D_* macros
    
    These don't include the function name or any other header.
    
    Signed-off-by: Martin Schwenke <[email protected]>
    Reviewed-by: Amitay Isaacs <[email protected]>
    
    Autobuild-User(master): Amitay Isaacs <[email protected]>
    Autobuild-Date(master): Mon Dec  5 05:58:48 CET 2016 on sn-devel-144