{ "loopback": "lo", "dummy": "dum", "ethernet": "eth", "bonding": "bond", "bridge": "br", "pseudo-ethernet": "peth", "openvpn": "vtun", "tunnel": "tun", "vti": "vti", "l2tpv3": "l2tpeth", "vxlan": "vxlan", "wireless": "wireless", "wirelessmodem": "wlm", "input": "ifb", "pppoe": "pppoe" }