--- netisr.c.orig	2012-02-24 17:45:37.000000000 +0700
+++ netisr.c	2012-02-24 17:47:52.000000000 +0700
@@ -980,12 +980,10 @@
 	if (error)
 		panic("%s: swi_add %d", __func__, error);
 	pc->pc_netisr = nwsp->nws_intr_event;
-	if (netisr_bindthreads) {
-		error = intr_event_bind(nwsp->nws_intr_event, cpuid);
+		error = intr_event_bind(nwsp->nws_intr_event, netisr_bindthreads ? cpuid : NOCPU);
 		if (error != 0)
 			printf("%s: cpu %u: intr_event_bind: %d", __func__,
 			    cpuid, error);
-	}
 	NETISR_WLOCK();
 	nws_array[nws_count] = nwsp->nws_cpu;
 	nws_count++;