Check out my talk last year, that should answer that: https://media.ccc.de/v/34c3-9159-demystifying_network_cards https://media.ccc.de/v/34c3-9159-demystifying_

Check out my talk last year, that should answer that: https://media.ccc.de/v/34c3-9159-demystifying_network_cards https://media.ccc.de/v/34c3-9159-demystifying_network_cards