autobuild: intermittent test failure detected

[autobuild]

The autobuild test system 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/2015-05-29-2256/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey/2015-05-29-2256/samba.stderr
   http://git.samba.org/autobuild.flakey/2015-05-29-2256/samba.stdout
  
The top commit at the time of the failure was:

commit 3073a2ee7e7e430631ec1516da4db2b311aea900
Author: Volker Lendecke <vl at samba.org>
Date:   Thu Apr 23 18:06:17 2015 +0200

    ctdbd_conn: Fix CID 1301580 Explicit null dereferenced
    
    Coverity does not really tell me which code path it sees where we could leave
    hdr==NULL, but this check does not hurt.
    
    Signed-off-by: Volker Lendecke <vl at samba.org>
    Reviewed-by: Ira Cooper <ira at samba.org>
    
    Autobuild-User(master): Volker Lendecke <vl at samba.org>
    Autobuild-Date(master): Fri May 29 19:49:30 CEST 2015 on sn-devel-104