mir3c/squashfs-root/etc/hotplug.d/iface/50-miniupnpd

#!/bin/sh

/etc/init.d/miniupnpd enabled && [ "$ACTION" = "ifup" ] && {
	local iface
	for iface in $(uci_get upnpd config internal_iface; uci_get upnpd config external_iface); do
		[ "$INTERFACE" = "$iface" ] && /etc/init.d/miniupnpd restart
	done
}