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-144/2017-03-20-2136/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-03-20-2136/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-03-20-2136/samba.stdout
  
The top commit at the time of the failure was:

commit a181609f94a71ea7e9fba2f1d9a5220a6bff9683
Author: Volker Lendecke <vl at samba.org>
Date:   Sun Jan 8 17:54:06 2017 +0000

    lib: Simplify smb_nanosleep
    
    We have the recalculation logic also in sys_poll_intr, don't duplicate it.
    
    Signed-off-by: Volker Lendecke <vl at samba.org>
    Reviewed-by: Andreas Schneider <asn at samba.org>
    
    Autobuild-User(master): Volker Lendecke <vl at samba.org>
    Autobuild-Date(master): Mon Mar 20 16:11:16 CET 2017 on sn-devel-144