TX_NAME
" type veth peer name " TX_NAME " netns " TX_NETNS);
SYS(close, "ip link set dev " TX_NAME " up");
tx_ifindex = if_nametoindex(TX_NAME);
SYS(out, "ip addr add " TX_ADDR "/" PREFIX_LEN " dev " TX_NAME);
SYS(out, "ip link set dev " TX_NAME " address " TX_MAC);
SYS(out, "ip link set dev " TX_NAME " up");
SYS(out, "ip link add " TX_NAME " type veth peer " FORWARD_NAME);
SYS(out, "ip link set " TX_NAME " netns " TX_NETNS_NAME);
SYS(out, "ip link add numtxqueues 1 numrxqueues 1 " TX_NAME
SYS(out, "ip link set dev " TX_NAME " address " TX_MAC);
SYS(out, "ip link set dev " TX_NAME " up");
SYS(out, "ip link add link " TX_NAME " " TX_NAME_VLAN
#define TX_NAME_VLAN TX_NAME "." TO_STR(VLAN_ID)
tx_ifindex = if_nametoindex(TX_NAME);