运行 iPython notebook 报错：Cannot assign requested address

在 ubuntu 14.4 上安装了 Anaconda2，然后在命令行运行 ipython notebook 就报如下错误：

root@master:~# ipython notebook
[TerminalIPythonApp] WARNING | Subcommand `ipython notebook` is deprecated and will be removed in future versions.
[TerminalIPythonApp] WARNING | You likely want to use `jupyter notebook`... continue in 5 sec. Press Ctrl-C to quit now.
Traceback (most recent call last):
  File "/root/anaconda2/bin/ipython", line 6, in <module>
    sys.exit(IPython.start_ipython())
  File "/root/anaconda2/lib/python2.7/site-packages/IPython/__init__.py", line 119, in start_ipython
    return launch_new_instance(argv=argv, **kwargs)
  File "/root/anaconda2/lib/python2.7/site-packages/traitlets/config/application.py", line 595, in launch_instance
    app.initialize(argv)
  File "<decorator-gen-111>", line 2, in initialize
  File "/root/anaconda2/lib/python2.7/site-packages/traitlets/config/application.py", line 74, in catch_config_error
    return method(app, *args, **kwargs)
  File "/root/anaconda2/lib/python2.7/site-packages/IPython/terminal/ipapp.py", line 297, in initialize
    super(TerminalIPythonApp, self).initialize(argv)
  File "<decorator-gen-7>", line 2, in initialize
  File "/root/anaconda2/lib/python2.7/site-packages/traitlets/config/application.py", line 74, in catch_config_error
    return method(app, *args, **kwargs)
  File "/root/anaconda2/lib/python2.7/site-packages/IPython/core/application.py", line 401, in initialize
    self.parse_command_line(argv)
  File "/root/anaconda2/lib/python2.7/site-packages/IPython/terminal/ipapp.py", line 292, in parse_command_line
    return super(TerminalIPythonApp, self).parse_command_line(argv)
  File "<decorator-gen-4>", line 2, in parse_command_line
  File "/root/anaconda2/lib/python2.7/site-packages/traitlets/config/application.py", line 74, in catch_config_error
    return method(app, *args, **kwargs)
  File "/root/anaconda2/lib/python2.7/site-packages/traitlets/config/application.py", line 488, in parse_command_line
    return self.initialize_subcommand(subc, subargv)
  File "/root/anaconda2/lib/python2.7/site-packages/IPython/core/application.py", line 211, in initialize_subcommand
    return super(BaseIPythonApplication, self).initialize_subcommand(subc, argv)
  File "<decorator-gen-3>", line 2, in initialize_subcommand
  File "/root/anaconda2/lib/python2.7/site-packages/traitlets/config/application.py", line 74, in catch_config_error
    return method(app, *args, **kwargs)
  File "/root/anaconda2/lib/python2.7/site-packages/traitlets/config/application.py", line 426, in initialize_subcommand
    self.subapp.initialize(argv)
  File "<decorator-gen-115>", line 2, in initialize
  File "/root/anaconda2/lib/python2.7/site-packages/traitlets/config/application.py", line 74, in catch_config_error
    return method(app, *args, **kwargs)
  File "/root/anaconda2/lib/python2.7/site-packages/notebook/notebookapp.py", line 1023, in initialize
    self.init_webapp()
  File "/root/anaconda2/lib/python2.7/site-packages/notebook/notebookapp.py", line 887, in init_webapp
    self.http_server.listen(port, self.ip)
  File "/root/anaconda2/lib/python2.7/site-packages/tornado/tcpserver.py", line 126, in listen
    sockets = bind_sockets(port, address=address)
  File "/root/anaconda2/lib/python2.7/site-packages/tornado/netutil.py", line 196, in bind_sockets
    sock.bind(sockaddr)
  File "/root/anaconda2/lib/python2.7/socket.py", line 228, in meth
    return getattr(self._sock,name)(*args)
socket.error: [Errno 99] Cannot assign requested address

网上好多建议修改 ipython_notebook_config.py，但还是不管用。折腾了五六个小时，还是没解决，太恼火了。

是不是阿里云服务器有什么网络限制？