*** 27,32 ****
--- 27,42 ----
  		fi
  	fi
  
+ 	# deal with isc dhclient too
+ 	f="/var/run/dhclient.pid"
+ 	if [ -s ${f} ]; then
+ 		pid="`cat ${f}`"
+ 		kill -0 "${pid}" >/dev/null 2>&1
+ 		if [ $? -eq 0 ]; then
+ 			exit 0
+ 		fi
+ 	fi
+ 
  	if checkyesno background_dhclient; then
  		rc_flags="${rc_flags} -b"
  	fi