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-144/2017-12-22-0320/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-12-22-0320/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-12-22-0320/samba.stdout
  
The top commit at the time of the failure was:

commit c4919d4d5f78aeb54a438b95d4eab2f082a8174e
Author: Stefan Metzmacher <metze at samba.org>
Date:   Wed Dec 20 14:05:54 2017 +0100

    s3:smb2_server: allow logoff, close, unlock, cancel and echo on expired sessions
    
    Windows client at least doesn't have code to replay
    a SMB2 Close after getting NETWORK_SESSION_EXPIRED,
    which locks out a the client and generates an endless
    loop around NT_STATUS_SHARING_VIOLATION.
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=13197
    
    Signed-off-by: Stefan Metzmacher <metze at samba.org>
    Reviewed-by: Jeremy Allison <jra at samba.org>
    
    Autobuild-User(master): Jeremy Allison <jra at samba.org>
    Autobuild-Date(master): Thu Dec 21 23:28:42 CET 2017 on sn-devel-144