esp-matter执行install.sh失败的原因？

Downloading and installing packages into local source directory:

  Setting up CIPD package manager...Traceback (most recent call last):
  File "/home/rck/esp2/esp-matter/connectedhomeip/connectedhomeip/third_party/pigweed/repo/pw_env_setup/py/pw_env_setup/env_setup.py", line 877, in
    sys.exit(main())
  File "/home/rck/esp2/esp-matter/connectedhomeip/connectedhomeip/third_party/pigweed/repo/pw_env_setup/py/pw_env_setup/env_setup.py", line 869, in main
    return EnvSetup(**vars(parse())).setup()
  File "/home/rck/esp2/esp-matter/connectedhomeip/connectedhomeip/third_party/pigweed/repo/pw_env_setup/py/pw_env_setup/env_setup.py", line 522, in setup
    result = step(spin)
  File "/home/rck/esp2/esp-matter/connectedhomeip/connectedhomeip/third_party/pigweed/repo/pw_env_setup/py/pw_env_setup/env_setup.py", line 616, in cipd
    cipd_client = cipd_wrapper.init(
  File "/home/rck/esp2/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/rck/esp2/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/rck/esp2/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/lib/python3.8/http/client.py", line 1256, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "/usr/lib/python3.8/http/client.py", line 1302, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "/usr/lib/python3.8/http/client.py", line 1251, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "/usr/lib/python3.8/http/client.py", line 1011, in _send_output
    self.send(msg)
  File "/usr/lib/python3.8/http/client.py", line 951, in send
    self.connect()
  File "/usr/lib/python3.8/http/client.py", line 1418, in connect
    super().connect()
  File "/usr/lib/python3.8/http/client.py", line 922, in connect
    self.sock = self._create_connection(
  File "/usr/lib/python3.8/socket.py", line 808, in create_connection
    raise err
  File "/usr/lib/python3.8/socket.py", line 796, in create_connection
    sock.connect(sa)
OSError: [Errno 101] Network is unreachable