add full patch to /sbin/ip and check for dhclient $pid before kill

modules.d/40network/dhclient-script

@@ -3,13 +3,13 @@
 # up, and it does not even try to do anything else.
 
 case $reason in
-    PREINIT) ip link set "$interface" up ;;
+    PREINIT) /sbin/ip link set "$interface" up ;;
     BOUND) ipopts="$new_ip_address"
      	[ "$new_interface_mtu" ] && ip link set $interface mtu $new_interface_mtu
 	[ "$new_subnet_mask" ] && ipopts="$ipopts/$new_subnet_mask"
 	[ "$new_broadcast_address" ] && ipopts="$ipopts broadcast $new_broadcast_address"
-	ip addr add $ipopts dev $interface
-	[ "$new_routers" ] && ip route add default via ${new_routers%%,*} dev $interface
+	/sbin/ip addr add $ipopts dev $interface
+	[ "$new_routers" ] && /sbin/ip route add default via ${new_routers%%,*} dev $interface
 	[ "$new_domain_name" ] && echo "domain $new_domain_name" > /etc/resolv.conf
 	if [ "$new_domain_search" ]; then
 	    echo "search $new_domain_search" |sed 's/,//g' >> /etc/resolv.conf

modules.d/40network/ifup

@@ -5,8 +5,8 @@
 
 # loopback is always handled the same way
 [ "$1" = "lo" ] && {
-    ip link set lo up
-    ip addr add 127.0.0.1/8 dev lo
+    /sbin/ip link set lo up
+    /sbin/ip addr add 127.0.0.1/8 dev lo
     exit 0
 }
 
@@ -24,13 +24,13 @@ for p in $(cat /proc/cmdline); do
 		    case $autoconf in
 			dhcp|on|any) >/net.$1.dhcp ;;
 			none|off|'') # do some basic configuration
-			    ip link set $1 up
-			    ip addr add $client/$netmask dev $1
-			    [ "$gw" ] && ip route add default via $gw dev $1
+			    /sbin/ip link set $1 up
+			    /sbin/ip addr add $client/$netmask dev $1
+			    [ "$gw" ] && /sbin/ip route add default via $gw dev $1
 			    >/net.$1.up ;;
 		    esac
 		fi
 		) ;;
 	*) continue;;
     esac
-done
+done

modules.d/40network/kill-dhclient.sh

@@ -1,2 +1,4 @@
 #!/bin/sh
-kill $(pidof dhclient)
+
+pid=$(pidof dhclient)
+[[ $pid ]] && kill $pid