VETH_NAME
ns1, VETH_NAME, VETH_NAME, ns2);
SYS(fail, "ip netns exec %s ethtool -K %s rxvlan off txvlan off", ns1, VETH_NAME);
SYS(fail, "ip netns exec %s ethtool -K %s rxvlan off txvlan off", ns2, VETH_NAME);
SYS(fail, "ip -n %s addr add %s/24 dev %s", ns1, NS1_IP_ADDR, VETH_NAME);
SYS(fail, "ip -n %s link set %s up", ns1, VETH_NAME);
ns2, VETH_NAME, VETH_NAME, VLAN_ID, VLAN_ID);
SYS(fail, "ip -n %s addr add %s/24 dev %s.%d", ns2, NS2_IP_ADDR, VETH_NAME, VLAN_ID);
SYS(fail, "ip -n %s link set %s up", ns2, VETH_NAME);
SYS(fail, "ip -n %s link set %s.%d up", ns2, VETH_NAME, VLAN_ID);
interface = if_nametoindex(VETH_NAME);