$ python serve.py
^/(.*)$
^/(.*)\.asis$
^/(.*)\.py$
^/serve\.py$
^/tools/(.*)$
Traceback (most recent call last):
  File "serve.py", line 209, in <module>
    main()
  File "serve.py", line 202, in main
    config_, servers = start(config)
  File "serve.py", line 181, in start
    domains = probe_subdomains(config)
  File "serve.py", line 76, in probe_subdomains
    daemon = start_http_server(config, port)
  File "serve.py", line 137, in start_http_server
    certificate=None)
  File "/home/philip/src/web-platform-tests/tools/wptserve/wptserve/server.py", line 134, in __init__
    BaseHTTPServer.HTTPServer.__init__(self, server_address, RequestHandlerClass, **kwargs)
  File "/usr/lib/python2.7/SocketServer.py", line 419, in __init__
    self.server_bind()
  File "/usr/lib/python2.7/BaseHTTPServer.py", line 108, in server_bind
    SocketServer.TCPServer.server_bind(self)
  File "/usr/lib/python2.7/SocketServer.py", line 430, in server_bind
    self.socket.bind(self.server_address)
  File "/usr/lib/python2.7/socket.py", line 224, in meth
    return getattr(self._sock,name)(*args)
socket.error: [Errno 110] Connection timed out