From d830cea6b7993971a3d610afd485bb9e6499985a Mon Sep 17 00:00:00 2001
From: Hiroki Sato <hrs@FreeBSD.org>
Date: Sun, 29 Jan 2012 08:33:34 +0000
Subject: [PATCH] Perform IPv6 DAD only in ifn_start.

---
 etc/rc.d/netif | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/etc/rc.d/netif b/etc/rc.d/netif
index b584f1584096..284e30ac7d18 100755
--- a/etc/rc.d/netif
+++ b/etc/rc.d/netif
@@ -138,10 +138,12 @@ network_common()
 	done
 
 	# inet6 address configuration needs sleep for DAD.
-	if [ -n "${_dadwait}" ]; then
+	case ${_func}:${_dadwait} in
+	ifn_start:1)
 		sleep `${SYSCTL_N} net.inet6.ip6.dad_count`
 		sleep 1
-	fi
+	;;
+	esac
 
 	_str=
 	if [ -n "${_ok}" ]; then