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 "