def METHOD_NAME(self, _lst: ManagerDeviceList, adapter_path: Optional[str]) -> None:
    self.hci = adapter_path_to_name(adapter_path)
    if self.hci is None:
        self.hbox.props.sensitive = False
    else:
        self.hbox.props.sensitive = True
    self.up_speed.reset()
    self.down_speed.reset()