105 	SYS(fail, "ip netns add at_ns0");  in config_device()
106 	SYS(fail, "ip link add veth0 address " MAC_VETH1 " type veth peer name veth1");  in config_device()
107 	SYS(fail, "ip link set veth0 netns at_ns0");  in config_device()
108 	SYS(fail, "ip addr add " IP4_ADDR1_VETH1 "/24 dev veth1");  in config_device()
109 	SYS(fail, "ip link set dev veth1 up mtu 1500");  in config_device()
110 	SYS(fail, "ip netns exec at_ns0 ip addr add " IP4_ADDR_VETH0 "/24 dev veth0");  in config_device()
111 	SYS(fail, "ip netns exec at_ns0 ip link set dev veth0 up mtu 1500");  in config_device()
114 fail:  in config_device()
129 	SYS(fail, "ip netns exec at_ns0 ip link add dev %s type vxlan external gbp dstport 4789",  in add_vxlan_tunnel()
131 	SYS(fail, "ip netns exec at_ns0 ip link set dev %s address %s up",  in add_vxlan_tunnel()
133 	SYS(fail, "ip netns exec at_ns0 ip addr add dev %s %s/24",  in add_vxlan_tunnel()
135 	SYS(fail, "ip netns exec at_ns0 ip neigh add %s lladdr %s dev %s",  in add_vxlan_tunnel()
137 	SYS(fail, "ip netns exec at_ns0 ip neigh add %s lladdr %s dev veth0",  in add_vxlan_tunnel()
141 	SYS(fail, "ip link add dev %s type vxlan external gbp dstport 4789",  in add_vxlan_tunnel()
143 	SYS(fail, "ip link set dev %s address %s up", VXLAN_TUNL_DEV1, MAC_TUNL_DEV1);  in add_vxlan_tunnel()
144 	SYS(fail, "ip addr add dev %s %s/24", VXLAN_TUNL_DEV1, IP4_ADDR_TUNL_DEV1);  in add_vxlan_tunnel()
145 	SYS(fail, "ip neigh add %s lladdr %s dev %s",  in add_vxlan_tunnel()
149 fail:  in add_vxlan_tunnel()
162 	SYS(fail, "ip netns exec at_ns0 ip -6 addr add %s/96 dev veth0",  in add_ip6vxlan_tunnel()
164 	SYS(fail, "ip netns exec at_ns0 ip link set dev veth0 up");  in add_ip6vxlan_tunnel()
165 	SYS(fail, "ip -6 addr add %s/96 dev veth1", IP6_ADDR1_VETH1);  in add_ip6vxlan_tunnel()
166 	SYS(fail, "ip -6 addr add %s/96 dev veth1", IP6_ADDR2_VETH1);  in add_ip6vxlan_tunnel()
167 	SYS(fail, "ip link set dev veth1 up");  in add_ip6vxlan_tunnel()
170 	SYS(fail, "ip netns exec at_ns0 ip link add dev %s type vxlan external dstport 4789",  in add_ip6vxlan_tunnel()
172 	SYS(fail, "ip netns exec at_ns0 ip addr add dev %s %s/24",  in add_ip6vxlan_tunnel()
174 	SYS(fail, "ip netns exec at_ns0 ip link set dev %s address %s up",  in add_ip6vxlan_tunnel()
178 	SYS(fail, "ip link add dev %s type vxlan external dstport 4789",  in add_ip6vxlan_tunnel()
180 	SYS(fail, "ip addr add dev %s %s/24", IP6VXLAN_TUNL_DEV1, IP4_ADDR_TUNL_DEV1);  in add_ip6vxlan_tunnel()
181 	SYS(fail, "ip link set dev %s address %s up",  in add_ip6vxlan_tunnel()
185 fail:  in add_ip6vxlan_tunnel()
208 	SYS(fail, "ip -n at_ns0 fou add port 5555 %s", ipproto);  in set_ipip_encap()
209 	SYS(fail, "ip -n at_ns0 link set dev %s type ipip encap %s",  in set_ipip_encap()
211 	SYS(fail, "ip -n at_ns0 link set dev %s type ipip encap-dport 5555",  in set_ipip_encap()
215 fail:  in set_ipip_encap()
239 	SYS(fail, "ip -n at_ns0 link add dev %s type ipip local %s remote %s",  in add_ipip_tunnel()
245 			goto fail;  in add_ipip_tunnel()
248 	SYS(fail, "ip -n at_ns0 link set dev %s up", IPIP_TUNL_DEV0);  in add_ipip_tunnel()
249 	SYS(fail, "ip -n at_ns0 addr add dev %s %s/24",  in add_ipip_tunnel()
254 		SYS(fail, "ip fou add port 5555 %s", ipproto);  in add_ipip_tunnel()
255 	SYS(fail, "ip link add dev %s type ipip external", IPIP_TUNL_DEV1);  in add_ipip_tunnel()
256 	SYS(fail, "ip link set dev %s up", IPIP_TUNL_DEV1);  in add_ipip_tunnel()
257 	SYS(fail, "ip addr add dev %s %s/24", IPIP_TUNL_DEV1,  in add_ipip_tunnel()
261 fail:  in add_ipip_tunnel()
278 	SYS(fail,  in add_xfrm_tunnel()
284 	SYS(fail,  in add_xfrm_tunnel()
292 	SYS(fail,  in add_xfrm_tunnel()
298 	SYS(fail,  in add_xfrm_tunnel()
306 	SYS(fail, "ip netns exec at_ns0 ip addr add dev veth0 %s/32",  in add_xfrm_tunnel()
308 	SYS(fail, "ip netns exec at_ns0 ip route add %s dev veth0 via %s src %s",  in add_xfrm_tunnel()
314 	SYS(fail,  in add_xfrm_tunnel()
319 	SYS(fail,  in add_xfrm_tunnel()
326 	SYS(fail,  in add_xfrm_tunnel()
331 	SYS(fail,  in add_xfrm_tunnel()
338 	SYS(fail, "ip addr add dev veth1 %s/32", IP4_ADDR_TUNL_DEV1);  in add_xfrm_tunnel()
339 	SYS(fail, "ip route add %s dev veth1 via %s src %s",  in add_xfrm_tunnel()
343 fail:  in add_xfrm_tunnel()
361 	SYS(fail, "%s %s %s > /dev/null", ping_command(family), PING_ARGS, addr);  in test_ping()
363 fail:  in test_ping()