diff -ru a/tools/examples/xen-network-common.sh b/tools/examples/xen-network-common.sh
--- a/tools/examples/xen-network-common.sh	2008-04-10 15:24:08.000000000 -0600
+++ b/tools/examples/xen-network-common.sh	2008-04-10 15:37:33.000000000 -0600
@@ -27,26 +27,18 @@
 #           that the virtual device will take once the physical device has
 #           been renamed.
 
-if ! which ifup >/dev/null 2>/dev/null
-then
-  preiftransfer()
-  {
+preiftransfer()
+{
     true
-  }
-  ifup()
-  {
+}
+ifup()
+{
     false
-  }
-  ifdown()
-  {
+}
+ifdown()
+{
     false
-  }
-else
-  preiftransfer()
-  {
-    true
-  }
-fi
+}
 
 
 first_file()