Hudson QA test failing with BindException

[Jonathan Costers]

I've noticed that since recently (build #44), the QA build has failed on
ubuntu1:
>From the QA test results artifact, I see that running
com/sun/jini/test/impl/discoverymanager/RemoveGroupsLocsDiscard.td threw a
BindException (address already in use) while trying to create a
lookupservice ...