RX_NAME
SYS(close, "ip link add " RX_NAME " netns " RX_NETNS
SYS(close, "ip link set dev " RX_NAME " up");
rx_ifindex = if_nametoindex(RX_NAME);
"devices = { " FORWARD_NAME ", " RX_NAME " }\\; }");
"ip -4 neigh add " DST_ADDR " lladdr " DST_MAC " dev " RX_NAME);
SYS(out, "ip link add " RX_NAME " type dummy");
SYS(out, "ip link set dev " RX_NAME " address " RX_MAC);
SYS(out, "ip addr add " RX_ADDR "/" PREFIX_LEN " dev " RX_NAME);
SYS(out, "ip link set dev " RX_NAME " up");
" type veth peer " RX_NAME " numtxqueues 1 numrxqueues 1");
SYS(out, "ip link set " RX_NAME " netns " RX_NETNS_NAME);
SYS(out, "ip link set dev " RX_NAME " address " RX_MAC);
SYS(out, "ip link set dev " RX_NAME " up");
SYS(out, "ip addr add " RX_ADDR "/" PREFIX_LEN " dev " RX_NAME);
rx_ifindex = if_nametoindex(RX_NAME);