if [ -f /var/run/pppoe-device ]; then
    read pppoe_dev < /var/run/pppoe-device
    read pppoe_pid < /var/run/${pppoe_dev}.pid
    rm -f /etc/ppp/peers/circuit.pppoe
    echo "kill $pppoe_pid" > /etc/ppp/ip-down999.pppoe
fi