diff --git a/etc/sysctl.conf b/etc/sysctl.conf
index 6236b2ddae..76fcdfd3ba 100644
--- a/etc/sysctl.conf
+++ b/etc/sysctl.conf
@@ -17,3 +17,4 @@ net.inet.tcp.delayed_ack=0
 #kern.maxfiles=16384
 #kern.maxfilesperproc=16384
 net.inet.udp.maxdgram=57344
+kern.rdntest.verbose=0