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-104/2016-07-03-1603/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-104/2016-07-03-1603/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-104/2016-07-03-1603/samba.stdout
  
The top commit at the time of the failure was:

commit 1444196521d705d86650fb5b508a0cedd0a5c830
Author: Richard Sharpe <rsharpe at samba.org>
Date:   Thu Jun 30 21:07:19 2016 -0700

    testprogs/blackbox: Improve the net ads dns register tests.
    
    More tests are added that add an unprivileged user, enable their
    account, and then test that they can add IP addressed but that they
    cannot modify other user's IP addresses.
    
    Signed-off-by: Richard Sharpe <rsharpe at samba.org>
    Reviewed-by: Jeremy Allison <jra at samba.org>
    
    Autobuild-User(master): Richard Sharpe <sharpe at samba.org>
    Autobuild-Date(master): Sun Jul  3 14:24:59 CEST 2016 on sn-devel-144