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-144/2017-06-20-2106/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-06-20-2106/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-06-20-2106/samba.stdout
  
The top commit at the time of the failure was:

commit e60aeb6f56a26019788442247361ed516bf965af
Author: Andreas Schneider <asn at samba.org>
Date:   Mon Jun 19 15:52:23 2017 +0200

    s3:tests: Add test for smbclient -UDOMAIN+username
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=12849
    
    Signed-off-by: Andreas Schneider <asn at samba.org>
    Reviewed-by: Stefan Metzmacher <metze at samba.org>
    
    Autobuild-User(master): Andreas Schneider <asn at cryptomilk.org>
    Autobuild-Date(master): Tue Jun 20 14:48:33 CEST 2017 on sn-devel-144