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-144/2017-01-04-1624/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-01-04-1624/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-01-04-1624/samba.stdout
  
The top commit at the time of the failure was:

commit 98bcdca632c7e508af2ecb3e8d6e005d04523c83
Author: Volker Lendecke <[email protected]>
Date:   Sat Dec 31 12:45:51 2016 +0000

    torture-netlogon: Use "all_zero" where appropriate
    
    ... Saves a few bytes of footprint
    
    Signed-off-by: Volker Lendecke <[email protected]>
    Reviewed-by: Ralph Boehme <[email protected]>
    
    Autobuild-User(master): Ralph Böhme <[email protected]>
    Autobuild-Date(master): Tue Jan  3 19:56:17 CET 2017 on sn-devel-144