--- libelwix/example/test_n2.c	2016/05/14 13:12:43	1.3.48.2
+++ libelwix/example/test_n2.c	2016/05/18 12:47:42	1.4
@@ -12,8 +12,9 @@ main(int argc, char **argv)
 	struct in_addr a;
 	netaddr_t n, *n0;
 	inaddr_t t;
-	ether_addr_t ea;
+	ether_addr_t *ea, na;
 	char str[BUFSIZ];
+	int res;
 
 	a.s_addr = E_CIDRMASK(8);
 	printf("/8 = %08X %08x\n", a.s_addr, htonl(a.s_addr));
@@ -83,8 +84,12 @@ main(int argc, char **argv)
 
 	val = ait_allocVar();
 	AIT_SET_STR(val, argv[2]);
-	if (!e_ether_addr(AIT_GET_STR(val), &ea))
-		printf("MAC address of iface=%s is %s\n", AIT_GET_STR(val), e_ether_ntoa(&ea, str, sizeof str));
+	printf("addr=%s\n", (argc > 3) ? argv[3] : NULL);
+	e_ether_aton((argc > 3) ? argv[3] : NULL, &na);
+	if ((ea = e_ether_addr(AIT_GET_STR(val), (argc > 3) ? &na : NULL))) {
+		printf("MAC address of iface=%s is %s\n", AIT_GET_STR(val), e_ether_ntoa(ea, str, sizeof str));
+		e_free(ea);
+	}
 	ait_freeVar(&val);
 
 	return 0;