bzr bind to unknown host causes internal error

me@workstation:~/project$ bzr bind bzr://unknown.local/project
bzr: ERROR: socket.gaierror: (-2, 'Name or service not known')

Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 802, in run_bzr_catch_errors
    return run_bzr(argv)
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 758, in run_bzr
    ret = run(*run_argv)
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 492, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/usr/lib/python2.5/site-packages/bzrlib/builtins.py", line 3532, in run
    b_other = Branch.open(location)
  File "/usr/lib/python2.5/site-packages/bzrlib/branch.py", line 128, in open
    possible_transports=possible_transports)
  File "/usr/lib/python2.5/site-packages/bzrlib/bzrdir.py", line 572, in open
    return BzrDir.open_from_transport(t, _unsupported=_unsupported)
  File "/usr/lib/python2.5/site-packages/bzrlib/bzrdir.py", line 609, in open_from_transport
    redirected)
  File "/usr/lib/python2.5/site-packages/bzrlib/transport/__init__.py", line 1661, in do_catching_redirections
    return action(transport)
  File "/usr/lib/python2.5/site-packages/bzrlib/bzrdir.py", line 586, in find_format
    transport, _server_formats=_server_formats)
  File "/usr/lib/python2.5/site-packages/bzrlib/bzrdir.py", line 1307, in find_format
    return format.probe_transport(transport)
  File "/usr/lib/python2.5/site-packages/bzrlib/bzrdir.py", line 2285, in probe_transport
    server_version = smart_protocol.query_version()
  File "/usr/lib/python2.5/site-packages/bzrlib/smart/protocol.py", line 578, in query_version
    self.call('hello')
  File "/usr/lib/python2.5/site-packages/bzrlib/smart/protocol.py", line 475, in call
    self._write_args(args)
  File "/usr/lib/python2.5/site-packages/bzrlib/smart/protocol.py", line 590, in _write_args
    self._request.accept_bytes(bytes)
  File "/usr/lib/python2.5/site-packages/bzrlib/smart/medium.py", line 269, in accept_bytes
    self._accept_bytes(bytes)
  File "/usr/lib/python2.5/site-packages/bzrlib/smart/medium.py", line 587, in _accept_bytes
    self._medium._accept_bytes(bytes)
  File "/usr/lib/python2.5/site-packages/bzrlib/smart/medium.py", line 526, in _accept_bytes
    self._ensure_connection()
  File "/usr/lib/python2.5/site-packages/bzrlib/smart/medium.py", line 547, in _ensure_connection
    result = self._socket.connect_ex((self._host, port))
  File "<string>", line 1, in connect_ex
gaierror: (-2, 'Name or service not known')

bzr 1.0.0 on python 2.5.1.final.0 (linux2)
arguments: ['/usr/bin/bzr', 'bind', 'bzr://unknown.local/project']
encoding: 'UTF-8', fsenc: 'UTF-8', lang: 'en_US.UTF-8'
plugins:
  bzrtools /usr/lib/python2.5/site-packages/bzrlib/plugins/bzrtools [1.0.0]
  difftools /usr/lib/python2.5/site-packages/bzrlib/plugins/difftools [0.91.0]
  gtk /usr/lib/python2.5/site-packages/bzrlib/plugins/gtk [0.93.0]
  launchpad /usr/lib/python2.5/site-packages/bzrlib/plugins/launchpad [unknown]
  lessdiff /usr/lib/python2.5/site-packages/bzrlib/plugins/lessdiff [unknown]
  lesslog /usr/lib/python2.5/site-packages/bzrlib/plugins/lesslog [unknown]
  multiparent /usr/lib/python2.5/site-packages/bzrlib/plugins/multiparent.pyc [unknown]
  pqm /usr/lib/python2.5/site-packages/bzrlib/plugins/pqm [unknown]
*** Bazaar has encountered an internal error.
    Please report a bug at https://bugs.launchpad.net/bzr/+filebug
    including this traceback, and a description of what you
    were doing when the error occurred.
me@workstation:~/project$