99 	SYS(fail, "ip netns add at_ns0");  in config_device()
100 	SYS(fail, "ip link add veth0 address " MAC_VETH1 " type veth peer name veth1");  in config_device()
101 	SYS(fail, "ip link set veth0 netns at_ns0");  in config_device()
102 	SYS(fail, "ip addr add " IP4_ADDR1_VETH1 "/24 dev veth1");  in config_device()
103 	SYS(fail, "ip link set dev veth1 up mtu 1500");  in config_device()
104 	SYS(fail, "ip netns exec at_ns0 ip addr add " IP4_ADDR_VETH0 "/24 dev veth0");  in config_device()
105 	SYS(fail, "ip netns exec at_ns0 ip link set dev veth0 up mtu 1500");  in config_device()
123 	SYS(fail, "ip netns exec at_ns0 ip link add dev %s type vxlan external gbp dstport 4789",  in add_vxlan_tunnel()
125 	SYS(fail, "ip netns exec at_ns0 ip link set dev %s address %s up",  in add_vxlan_tunnel()
127 	SYS(fail, "ip netns exec at_ns0 ip addr add dev %s %s/24",  in add_vxlan_tunnel()
129 	SYS(fail, "ip netns exec at_ns0 ip neigh add %s lladdr %s dev %s",  in add_vxlan_tunnel()
131 	SYS(fail, "ip netns exec at_ns0 ip neigh add %s lladdr %s dev veth0",  in add_vxlan_tunnel()
135 	SYS(fail, "ip link add dev %s type vxlan external gbp dstport 4789",  in add_vxlan_tunnel()
137 	SYS(fail, "ip link set dev %s address %s up", VXLAN_TUNL_DEV1, MAC_TUNL_DEV1);  in add_vxlan_tunnel()
138 	SYS(fail, "ip addr add dev %s %s/24", VXLAN_TUNL_DEV1, IP4_ADDR_TUNL_DEV1);  in add_vxlan_tunnel()
139 	SYS(fail, "ip neigh add %s lladdr %s dev %s",  in add_vxlan_tunnel()
156 	SYS(fail, "ip netns exec at_ns0 ip -6 addr add %s/96 dev veth0",  in add_ip6vxlan_tunnel()
158 	SYS(fail, "ip netns exec at_ns0 ip link set dev veth0 up");  in add_ip6vxlan_tunnel()
159 	SYS(fail, "ip -6 addr add %s/96 dev veth1", IP6_ADDR1_VETH1);  in add_ip6vxlan_tunnel()
160 	SYS(fail, "ip -6 addr add %s/96 dev veth1", IP6_ADDR2_VETH1);  in add_ip6vxlan_tunnel()
161 	SYS(fail, "ip link set dev veth1 up");  in add_ip6vxlan_tunnel()
164 	SYS(fail, "ip netns exec at_ns0 ip link add dev %s type vxlan external dstport 4789",  in add_ip6vxlan_tunnel()
166 	SYS(fail, "ip netns exec at_ns0 ip addr add dev %s %s/24",  in add_ip6vxlan_tunnel()
168 	SYS(fail, "ip netns exec at_ns0 ip link set dev %s address %s up",  in add_ip6vxlan_tunnel()
172 	SYS(fail, "ip link add dev %s type vxlan external dstport 4789",  in add_ip6vxlan_tunnel()
174 	SYS(fail, "ip addr add dev %s %s/24", IP6VXLAN_TUNL_DEV1, IP4_ADDR_TUNL_DEV1);  in add_ip6vxlan_tunnel()
175 	SYS(fail, "ip link set dev %s address %s up",  in add_ip6vxlan_tunnel()
202 	SYS(fail, "ip -n at_ns0 fou add port 5555 %s", ipproto);  in set_ipip_encap()
203 	SYS(fail, "ip -n at_ns0 link set dev %s type ipip encap %s",  in set_ipip_encap()
205 	SYS(fail, "ip -n at_ns0 link set dev %s type ipip encap-dport 5555",  in set_ipip_encap()
233 	SYS(fail, "ip -n at_ns0 link add dev %s type ipip local %s remote %s",  in add_ipip_tunnel()
242 	SYS(fail, "ip -n at_ns0 link set dev %s up", IPIP_TUNL_DEV0);  in add_ipip_tunnel()
243 	SYS(fail, "ip -n at_ns0 addr add dev %s %s/24",  in add_ipip_tunnel()
248 		SYS(fail, "ip fou add port 5555 %s", ipproto);  in add_ipip_tunnel()
249 	SYS(fail, "ip link add dev %s type ipip external", IPIP_TUNL_DEV1);  in add_ipip_tunnel()
250 	SYS(fail, "ip link set dev %s up", IPIP_TUNL_DEV1);  in add_ipip_tunnel()
251 	SYS(fail, "ip addr add dev %s %s/24", IPIP_TUNL_DEV1,  in add_ipip_tunnel()
269 	SYS(fail, "%s %s %s > /dev/null", ping_command(family), PING_ARGS, addr);  in test_ping()