ethtool x86_64 8bd1b4f07adf623adf5b28f55517086b903cb0b9218b8b7c477fbf6f021db04d Ethernet settings tool for network cards This utility allows querying and changing of ethernet card settings, such as speed, port, and autonegotiation. bero <bero@lindev.ch> https://www.kernel.org/pub/software/network/ethtool