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-144/2017-02-25-1806/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-02-25-1806/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-02-25-1806/samba.stdout
  
The top commit at the time of the failure was:

commit 2170f556299c6ab4ce33f22169ca26ecad3440e3
Author: Stefan Metzmacher <metze at samba.org>
Date:   Mon Feb 20 18:02:09 2017 +0100

    pidl:Python: use of pytalloc_GenericObject_reference*() for pyrpc_{ex,im}port_union() wrapping
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=12601
    
    Signed-off-by: Stefan Metzmacher <metze at samba.org>
    Reviewed-by: Andrew Bartlett <abartlet at samba.org>
    
    Autobuild-User(master): Andrew Bartlett <abartlet at samba.org>
    Autobuild-Date(master): Sat Feb 25 06:33:33 CET 2017 on sn-devel-144