--- connections/ethernet.orig	2012-04-15 10:31:46.676819836 +0000
+++ connections/ethernet	2012-04-15 10:29:57.306026754 +0000
@@ -110,6 +110,10 @@
             done
         fi
         if [[ -n "$GATEWAY" ]]; then
+            report_debug ethernet_iproute_up arping -f -c 1 -I "$INTERFACE" -s "$ADDR" "$GATEWAY"
+            if ! arping -f -c 1 -I "$INTERFACE" -s "$ADDR" "$GATEWAY" &>/dev/null; then
+                report_iproute "ARPing gateway $GATEWAY failed"
+            fi
             report_debug ethernet_iproute_up ip route add default via "$GATEWAY" dev "$INTERFACE"
             if ! ip route add default via "$GATEWAY" dev "$INTERFACE"; then
                 report_iproute "Adding gateway $GATEWAY failed"