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/2014-12-22-1114/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey/2014-12-22-1114/samba.stderr
   http://git.samba.org/autobuild.flakey/2014-12-22-1114/samba.stdout
  
The top commit at the time of the failure was:

commit ad074795e33b676595aa7fb1b0129a0b5b8cbf24
Author: Andrew Bartlett <abartlet at samba.org>
Date:   Fri Dec 19 15:14:22 2014 +1300

    dns.py: Always remove the test zone in tearDown()
    
    Change-Id: Ic6d6c51579f8859b4e396179123974382c253bf7
    Signed-off-by: Garming Sam <garming at catalyst.net.nz>
    Pair-programmed-with: Garming Sam <garming at catalyst.net.nz>
    Signed-off-by: Andrew Bartlett <abartlet at samba.org>
    
    Autobuild-User(master): Garming Sam <garming at samba.org>
    Autobuild-Date(master): Mon Dec 22 08:21:22 CET 2014 on sn-devel-104