[Sugar-devel] VirtualBox Appliances Must Be Cleared or Cloned before use or collisions on f1 neighborhood view of the jabber, or local network, will occur between separate copies of the identical appliance.

[James Cameron]

See also http://wiki.laptop.org/go/Imaging/Side_effects which is
where other side effects are listed.  These are only a concern if the
image of the appliance has been booted at least once, either by the
publisher or the user.  It is unnecessary if the image has not been
booted.

-- 
James Cameron
http://quozl.linux.org.au/