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-144/2016-12-20-1423/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2016-12-20-1423/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2016-12-20-1423/samba.stdout
  
The top commit at the time of the failure was:

commit 9b566e7b3cd5d3efd510076e9fdec97730df4883
Author: Andreas Schneider <asn at samba.org>
Date:   Wed Dec 14 11:23:10 2016 +0100

    WHATSNEW: Add some information about ID mapping
    
    Signed-off-by: Andreas Schneider <asn at samba.org>
    Reviewed-by: Karolin Seeger <kseeger at samba.org>
    
    Autobuild-User(master): Stefan Metzmacher <metze at samba.org>
    Autobuild-Date(master): Tue Dec 20 11:40:07 CET 2016 on sn-devel-144