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-144/2017-05-25-0223/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-05-25-0223/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-05-25-0223/samba.stdout
  
The top commit at the time of the failure was:

commit f47d331e671d8835de010d3e9e1cbc6379e5ec27
Author: Amitay Isaacs <amitay at gmail.com>
Date:   Fri Apr 21 17:41:44 2017 +1000

    ctdb-daemon: Add AllowMixedVersions tunable
    
    This allows to mix CTDB major versions in a single cluster.
    
    Signed-off-by: Amitay Isaacs <amitay at gmail.com>
    Reviewed-by: Martin Schwenke <martin at meltin.net>
    
    Autobuild-User(master): Amitay Isaacs <amitay at samba.org>
    Autobuild-Date(master): Wed May 24 21:06:28 CEST 2017 on sn-devel-144