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-144/2017-12-20-0707/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-12-20-0707/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-12-20-0707/samba.stdout
  
The top commit at the time of the failure was:

commit 0e571054a61e9de69190ae023199d1670e097e88
Author: Andreas Schneider <asn at samba.org>
Date:   Tue Dec 12 08:36:57 2017 +0100

    systemd: Only start samba and nmbd when network interfaces are up
    
    For samba and nmbd we need to wait till a network interface is up or
    they wont be operational.
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=13184
    
    Signed-off-by: Andreas Schneider <asn at samba.org>
    Reviewed-by: Jeremy Allison <jra at samba.org>
    
    Autobuild-User(master): Jeremy Allison <jra at samba.org>
    Autobuild-Date(master): Wed Dec 20 04:21:51 CET 2017 on sn-devel-144