--- iproute2-3.12.0/ip/ifcfg~	2013-11-23 13:08:41.000000000 +0200
+++ iproute2-3.12.0/ip/ifcfg	2013-11-23 13:08:46.796879511 +0200
@@ -1,4 +1,4 @@
-#! /bin/bash
+#! /bin/sh
 
 CheckForwarding () {
   local sbase fwd
@@ -6,7 +6,7 @@
   fwd=0
   if [ -d $sbase ]; then
     for dir in $sbase/*/forwarding; do
-      fwd=$[$fwd + `cat $dir`]
+      fwd=$(($fwd + `cat $dir`))
     done
   else
     fwd=2
@@ -127,12 +127,12 @@
 arping -q -A -c 1 -I $dev $ipaddr
 noarp=$?
 ( sleep 2 ;
-  arping -q -U -c 1 -I $dev $ipaddr ) >& /dev/null </dev/null &
+  arping -q -U -c 1 -I $dev $ipaddr ) >/dev/null 2>&1 </dev/null &
 
-ip route add unreachable 224.0.0.0/24 >& /dev/null
-ip route add unreachable 255.255.255.255 >& /dev/null
+ip route add unreachable 224.0.0.0/24 >/dev/null 2>&1
+ip route add unreachable 255.255.255.255 >/dev/null 2>&1
 if [ `ip link ls $dev | grep -c MULTICAST` -ge 1 ]; then
-  ip route add 224.0.0.0/4 dev $dev scope global >& /dev/null
+  ip route add 224.0.0.0/4 dev $dev scope global >/dev/null 2>&1
 fi
 
 if [ $fwd -eq 0 ]; then
--- iproute2-3.12.0/ip/rtpr~	2013-11-23 03:10:33.000000000 +0200
+++ iproute2-3.12.0/ip/rtpr	2013-11-23 13:10:03.780255410 +0200
@@ -1,4 +1,4 @@
-#! /bin/bash
+#! /bin/sh
 
 exec tr "[\\\\]" "[
 ]"