autobuild: intermittent test failure detected

[autobuild]

The autobuild test system 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/2015-06-06-1427/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey/2015-06-06-1427/samba.stderr
   http://git.samba.org/autobuild.flakey/2015-06-06-1427/samba.stdout
  
The top commit at the time of the failure was:

commit 873d3ccd483166c4e6e51d2fc86d900373bd8871
Author: Stefan Metzmacher <metze at samba.org>
Date:   Thu May 28 15:35:25 2015 +0200

    s3:smb2_tcon: require a signed request when authentication is used for SMB >= 3.11
    
    Disconnect the client if the request is not signed.
    
    Signed-off-by: Stefan Metzmacher <metze at samba.org>
    Reviewed-by: Michael Adam <obnox at samba.org>
    
    Autobuild-User(master): Jeremy Allison <jra at samba.org>
    Autobuild-Date(master): Sat Jun  6 03:19:33 CEST 2015 on sn-devel-104