shorten reply delay.  from sources.
this approach isn't going to work.  on a busy network you
will quickly exhaust your buffers.

Reference: /n/atom/patch/applied/dhcpshortwait
Date: Sat Mar 22 19:15:24 CET 2014
Signed-off-by: quanstro@quanstro.net

--- /sys/src/cmd/ip/dhcpd/dhcpd.c	Sat Mar 22 19:12:43 2014
+++ /sys/src/cmd/ip/dhcpd/dhcpd.c	Sat Mar 22 19:12:45 2014
@@ -412,13 +412,13 @@
 
 /*
  * since we are single-threaded, this causes us to effectively
- * stop listening for two seconds.
+ * stop listening while we sleep.
  */
 static void
 slowdelay(Req *rp)
 {
 	if(slowstat && rp->staticbinding || slowdyn && !rp->staticbinding)
-		sleep(2000);
+		sleep(1000);
 }
 
 void