sudo tshark -i eth0 tshark: Lua: Error during loading: [string "/usr/share/wireshark/init.lua"]:45: dofile has been disabled Running as user "root" and group "root". This could be dangerous. Capturing on eth0 tshark: The capture session could not be initiated (eth0: SIOETHTOOL(ETHTOOL_GTSO) ioctl failed: No such device). Please check to make sure you have sufficient permissions, and that you have the proper interface or pipe specified. 0 packets captured