message: Change IP address of admin server in Google example to 127.0.0.1
diff: admin:
  access_log_path: /tmp/admin_access.log
  address:
  - socket_address: { address: 0.0.0.0, port_value: 9901 }
  + socket_address: { address: 127.0.0.1, port_value: 9901 }
  static_resources:
  listeners:
  