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-144/2016-12-19-1604/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2016-12-19-1604/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2016-12-19-1604/samba.stdout
  
The top commit at the time of the failure was:

commit b38f1aee4092cd621081614dce34a86d0d70afff
Author: Stefan Metzmacher <[email protected]>
Date:   Thu Nov 3 15:11:29 2016 +0100

    s3:utils: Use cli_cm_force_encryption() instead of cli_force_encryption()
    
    This allows SMB3 encryption instead of returning NT_STATUS_NOT_SUPPORTED.
    
    Signed-off-by: Stefan Metzmacher <[email protected]>
    Reviewed-by: Andreas Schneider <[email protected]>
    
    Autobuild-User(master): Andreas Schneider <[email protected]>
    Autobuild-Date(master): Mon Dec 19 13:41:15 CET 2016 on sn-devel-144