autobuild[sn-devel-104]: intermittent test failure detected

[autobuild]

The autobuild test system (on sn-devel-104) 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-104/2016-05-20-2004/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-104/2016-05-20-2004/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-104/2016-05-20-2004/samba.stdout
  
The top commit at the time of the failure was:

commit 1c76746b637bc1867f85ba94786b89f22d1b0c32
Author: Michael Adam <obnox at samba.org>
Date:   Fri May 20 12:57:48 2016 +0200

    notifyd: prevent NULL deref segfault in notifyd_peer_destructor
    
    It seems it could happen that p->db == NULL in the list
    from notifyd_clean_peers_next(). This has been seen in
    a ctdb cluster when an node-internal ctdb interface is
    brought down.
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=11930
    
    Signed-off-by: Michael Adam <obnox at samba.org>
    Reviewed-by: Volker Lendecke <vl at samba.org>
    
    Autobuild-User(master): Volker Lendecke <vl at samba.org>
    Autobuild-Date(master): Fri May 20 17:32:55 CEST 2016 on sn-devel-144