--- qemu-0.9.0/slirp/slirp.c.orig	2007-06-24 23:36:01.000000000 +0900
+++ qemu-0.9.0/slirp/slirp.c	2007-06-24 23:36:41.000000000 +0900
@@ -149,6 +149,12 @@
 
     /* set default addresses */
     inet_aton("127.0.0.1", &loopback_addr);
+    client_ethaddr[0] =  0x52;
+    client_ethaddr[1] =  0x54;
+    client_ethaddr[2] =  0x00;
+    client_ethaddr[3] =  0x12;
+    client_ethaddr[4] =  0x34;
+    client_ethaddr[5] =  0x56;
 
     if (get_dns_addr(&dns_addr) < 0) {
         dns_addr = loopback_addr;