TAP_NAME
tap_fd = open_tuntap(TAP_NAME, true);
SYS(close, "ip link set dev " TAP_NAME " up");
tap_ifindex = if_nametoindex(TAP_NAME);
tap_fd = open_tuntap(TAP_NAME, true);
SYS(close, "ip link set dev " TAP_NAME " up");
tap_ifindex = if_nametoindex(TAP_NAME);
SYS(close, "tc qdisc add dev " TAP_NAME " clsact");
SYS(close, "tc filter add dev " TAP_NAME " ingress "
tap_fd = open_tuntap(TAP_NAME, true);
SYS(close, "ip link set dev " TAP_NAME " address " RX_MAC);
SYS(close, "ip addr add fd00::1/64 dev " TAP_NAME " nodad");
SYS(close, "ip link set dev " TAP_NAME " up");
SYS(close, "ip neigh add fd00::2 lladdr " TX_MAC " nud permanent dev " TAP_NAME);
SYS(close, "ip -6 route add fd00:1::/64 %s dev %s", encap, TAP_NAME);
tap_ifindex = if_nametoindex(TAP_NAME);