114 	SYS(fail, "ip netns add " NS0);  in config_underlay()
115 	SYS(fail, "ip netns add " NS1);  in config_underlay()
116 	SYS(fail, "ip netns add " NS2);  in config_underlay()
119 	SYS(fail, "ip link add veth01 netns " NS0 " type veth peer name veth10 netns " NS1);  in config_underlay()
120 	SYS(fail, "ip -net " NS0 " addr add " IP4_ADDR_VETH01 "/24 dev veth01");  in config_underlay()
121 	SYS(fail, "ip -net " NS0 " link set dev veth01 up");  in config_underlay()
122 	SYS(fail, "ip -net " NS1 " addr add " IP4_ADDR_VETH10 "/24 dev veth10");  in config_underlay()
123 	SYS(fail, "ip -net " NS1 " link set dev veth10 up");  in config_underlay()
126 	SYS(fail, "ip link add veth02 netns " NS0 " type veth peer name veth20 netns " NS2);  in config_underlay()
127 	SYS(fail, "ip -net " NS0 " addr add " IP4_ADDR_VETH02 "/24 dev veth02");  in config_underlay()
128 	SYS(fail, "ip -net " NS0 " link set dev veth02 up");  in config_underlay()
129 	SYS(fail, "ip -net " NS2 " addr add " IP4_ADDR_VETH20 "/24 dev veth20");  in config_underlay()
130 	SYS(fail, "ip -net " NS2 " link set dev veth20 up");  in config_underlay()
133 fail:  in config_underlay()
141 	SYS(fail, "ip -net %s xfrm state add src %s dst %s spi 1 "  in setup_xfrm_tunnel_ns()
145 	SYS(fail, "ip -net %s xfrm state add src %s dst %s spi 1 "  in setup_xfrm_tunnel_ns()
149 	SYS(fail, "ip -net %s xfrm policy add dir out src 0.0.0.0/0 dst 0.0.0.0/0 "  in setup_xfrm_tunnel_ns()
154 	SYS(fail, "ip -net %s xfrm policy add dir in src 0.0.0.0/0 dst 0.0.0.0/0 "  in setup_xfrm_tunnel_ns()
159 fail:  in setup_xfrm_tunnel_ns()
253 		goto fail;  in config_overlay()
256 		goto fail;  in config_overlay()
260 		goto fail;  in config_overlay()
262 	SYS(fail, "ip -net " NS0 " addr add 192.168.1.100/24 dev ipsec0");  in config_overlay()
263 	SYS(fail, "ip -net " NS0 " link set dev ipsec0 up");  in config_overlay()
265 	SYS(fail, "ip -net " NS1 " link add ipsec0 type xfrm if_id %d", IF_ID_1);  in config_overlay()
266 	SYS(fail, "ip -net " NS1 " addr add 192.168.1.200/24 dev ipsec0");  in config_overlay()
267 	SYS(fail, "ip -net " NS1 " link set dev ipsec0 up");  in config_overlay()
269 	SYS(fail, "ip -net " NS2 " link add ipsec0 type xfrm if_id %d", IF_ID_2);  in config_overlay()
270 	SYS(fail, "ip -net " NS2 " addr add 192.168.1.200/24 dev ipsec0");  in config_overlay()
271 	SYS(fail, "ip -net " NS2 " link set dev ipsec0 up");  in config_overlay()
274 fail:  in config_overlay()
282 	SYS(fail, "ping -i 0.01 -c 3 -w 10 -q 192.168.1.200 > /dev/null");  in test_xfrm_ping()
285 		goto fail;  in test_xfrm_ping()
288 fail:  in test_xfrm_ping()