'Return the state attributes.'

@property
def device_state_attributes(self):

    if self._api.data:
        data = self._api.data['system_stats']['nics'][self.monitor_device]
        return {ATTR_IP: data['ip'], ATTR_MASK: data['mask'], ATTR_MAC: data['mac'], ATTR_MAX_SPEED: data['max_speed'], ATTR_PACKETS_TX: data['tx_packets'], ATTR_PACKETS_RX: data['rx_packets'], ATTR_PACKETS_ERR: data['err_packets']}
