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/2014-12-23-1648/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey/2014-12-23-1648/samba.stderr
   http://git.samba.org/autobuild.flakey/2014-12-23-1648/samba.stdout
  
The top commit at the time of the failure was:

commit 2fdc55160309cec89aeb88243cb18d058c67e918
Author: Christof Schmitt <cs at samba.org>
Date:   Mon Dec 22 15:19:47 2014 -0800

    winbind: Retry LogonControl RPC in ping-dc after session expiration
    
    When the underlying session expires, the LogonControl RPC call used in
    ping-dc returns NT_STATUS_IO_DEVICE_ERROR. Retry once in this case,
    instead of returning the error to the caller.
    
    Signed-off-by: Christof Schmitt <cs at samba.org>
    Reviewed-by: Jeremy Allison <jra at samba.org>
    
    Autobuild-User(master): Jeremy Allison <jra at samba.org>
    Autobuild-Date(master): Tue Dec 23 02:46:34 CET 2014 on sn-devel-104