38 	if (CHECK_FAIL(!tc))  in configure_stack()
40 	if (CHECK_FAIL(!fgets(tc_version, sizeof(tc_version), tc)))  in configure_stack()
46 	if (CHECK_FAIL(pclose(tc)))  in configure_stack()
50 	if (CHECK_FAIL(unshare(CLONE_NEWNET)))  in configure_stack()
54 	if (CHECK_FAIL(system("ip link set dev lo up")))  in configure_stack()
56 	if (CHECK_FAIL(system("ip route add local default dev lo")))  in configure_stack()
58 	if (CHECK_FAIL(system("ip -6 route add local default dev lo")))  in configure_stack()
62 	if (CHECK_FAIL(system("tc qdisc add dev lo clsact")))  in configure_stack()
82 	if (CHECK_FAIL(getsockname(fd, (struct sockaddr *)&ss, &slen)))  in get_port()
125 		if (CHECK_FAIL(srv_client == -1)) {  in run_test()
132 	if (CHECK_FAIL(write(client, buf, sizeof(buf)) != sizeof(buf))) {  in run_test()
136 	if (CHECK_FAIL(rcv_msg(srv_client, type) != sizeof(buf))) {  in run_test()
142 	if (CHECK_FAIL(!port))  in run_test()
240 	if (CHECK_FAIL(self_net < 0)) {  in test_sk_assign()
251 	if (CHECK_FAIL(server_map < 0)) {  in test_sk_assign()
273 		if (CHECK_FAIL(err)) {  in test_sk_assign()
292 	if (CHECK_FAIL(unlink(SERVER_MAP_PATH)))  in test_sk_assign()
294 	if (CHECK_FAIL(setns(self_net, CLONE_NEWNET)))  in test_sk_assign()