${connect:+connect "$connect"} \
${disconnect:+disconnect "$disconnect"} \
ip-up-script /lib/netifd/ppp-up \
- ipv6-up-script /lib/netifd/ppp-up \
+ ipv6-up-script /lib/netifd/ppp6-up \
ip-down-script /lib/netifd/ppp-down \
ipv6-down-script /lib/netifd/ppp-down \
${mtu:+mtu $mtu mru $mtu} \