openwrtv4/obsolete-buildroot/sources/openwrt/root/sbin/ifdown

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#!/bin/ash
. /etc/functions.sh
type=$1
debug "### ifdown $type ###"
if=$(nvram get ${type}_ifname)
if_valid $if || return
kill $(cat /var/run/${if}.pid 2>&-) 2>&-
$DEBUG ifconfig $if down