--- /etc/xen/scripts/network-bridge.bak	2008-02-07 15:51:02.000000000 +0100
+++ /etc/xen/scripts/network-bridge	2008-02-07 14:58:48.000000000 +0100
@@ -70,7 +70,8 @@
 vif0="vif0.${vifnum}"
 
 get_ip_info() {
-    addr_pfx=`ip addr show dev $1 | egrep '^ *inet' | sed -e 's/ *inet //' -e "s/$1//"`
+    addr_pfx=`ip addr show dev $1 | grep -e '^ *inet '|sed -e 's/\s*inet\s*//' -e 's/\s*brd.*//' -e 's/\s*scope.*//'`
+
     gateway=`ip route show dev $1 | fgrep default | sed 's/default via //'`
 }