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-144/2017-05-15-0910/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-05-15-0910/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-05-15-0910/samba.stdout
  
The top commit at the time of the failure was:

commit 5098636c784df917fb038ac4822f7a863d9543de
Author: Jeremy Allison <jra at samba.org>
Date:   Thu May 11 16:15:56 2017 -0700

    s4: nmblookup: Allocate event context off NULL instead of talloc_autofree_context().
    
    It's already correctly freed on exit.
    
    Signed-off-by: Jeremy Allison <jra at samba.org>
    Reviewed-by: Ralph Boehme <slow at samba.org>
    
    Autobuild-User(master): Ralph Böhme <slow at samba.org>
    Autobuild-Date(master): Sat May 13 21:01:25 CEST 2017 on sn-devel-144