esp-Matter执行install.sh失败的原因？

换了两个网络环境都是这样，下载完matter代码置换install失败，第一个CIPD就无法链接了，log如下：

WELCOME TO...

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  BOOTSTRAP! Bootstrap may take a few minutes; please be patient.

Downloading and installing packages into local source directory:

  Setting up CIPD package manager...Traceback (most recent call last):
  File "/home/edu118/work/matter/esp-matter/esp-matter/connectedhomeip/connectedhomeip/third_party/pigweed/repo/pw_env_setup/py/pw_env_setup/env_setup.py", line 857, in
    sys.exit(main())
  File "/home/edu118/work/matter/esp-matter/esp-matter/connectedhomeip/connectedhomeip/third_party/pigweed/repo/pw_env_setup/py/pw_env_setup/env_setup.py", line 849, in main
    return EnvSetup(**vars(parse())).setup()
  File "/home/edu118/work/matter/esp-matter/esp-matter/connectedhomeip/connectedhomeip/third_party/pigweed/repo/pw_env_setup/py/pw_env_setup/env_setup.py", line 501, in setup
    result = step(spin)
  File "/home/edu118/work/matter/esp-matter/esp-matter/connectedhomeip/connectedhomeip/third_party/pigweed/repo/pw_env_setup/py/pw_env_setup/env_setup.py", line 598, in cipd
    rosetta=self._rosetta,
  File "/home/edu118/work/matter/esp-matter/esp-matter/connectedhomeip/connectedhomeip/third_party/pigweed/repo/pw_env_setup/py/pw_env_setup/cipd_setup/wrapper.py", line 378, in init
    bootstrap(client, silent, rosetta=rosetta)
  File "/home/edu118/work/matter/esp-matter/esp-matter/connectedhomeip/connectedhomeip/third_party/pigweed/repo/pw_env_setup/py/pw_env_setup/cipd_setup/wrapper.py", line 328, in bootstrap
    tmp.write(client_bytes(rosetta))
  File "/home/edu118/work/matter/esp-matter/esp-matter/connectedhomeip/connectedhomeip/third_party/pigweed/repo/pw_env_setup/py/pw_env_setup/cipd_setup/wrapper.py", line 252, in client_bytes
    conn.request('GET', path)
  File "/usr/local/lib/python3.7/http/client.py", line 1229, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "/usr/local/lib/python3.7/http/client.py", line 1275, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "/usr/local/lib/python3.7/http/client.py", line 1224, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "/usr/local/lib/python3.7/http/client.py", line 1016, in _send_output
    self.send(msg)
  File "/usr/local/lib/python3.7/http/client.py", line 956, in send
    self.connect()
  File "/usr/local/lib/python3.7/http/client.py", line 1384, in connect
    super().connect()
  File "/usr/local/lib/python3.7/http/client.py", line 928, in connect
    (self.host,self.port), self.timeout, self.source_address)
  File "/usr/local/lib/python3.7/socket.py", line 727, in create_connection
    raise err
  File "/usr/local/lib/python3.7/socket.py", line 716, in create_connection
    sock.connect(sa)
OSError: [Errno 101] Network is unreachable