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-104/2016-10-05-1606/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-104/2016-10-05-1606/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-104/2016-10-05-1606/samba.stdout
  
The top commit at the time of the failure was:

commit 402c3c4062864df4a6da76df9ac1734c7bcbee8e
Author: Stefan Metzmacher <metze at samba.org>
Date:   Wed Oct 5 08:59:19 2016 +0200

    tevent: version 0.9.31
    
    * tevent_update_timer() and tevent_req_reset_endtime() have been added
    * documentation updates
    * it is now safe to talloc_free() a tevent_threaded_context,
      all running threads keep running until they're finished,
      but we no longer abort().
    
    Signed-off-by: Stefan Metzmacher <metze at samba.org>
    Reviewed-by: Volker Lendecke <vl at samba.org>
    
    Autobuild-User(master): Volker Lendecke <vl at samba.org>
    Autobuild-Date(master): Wed Oct  5 15:32:35 CEST 2016 on sn-devel-144