#!/command/execlineb -P

multisubstitute
{
  importas -ui interface interface
  importas -ui ip ip
  importas -uD "<unknown mask>" mask mask
  importas -uD "<unknown DNS>" dns dns
  importas -ui router router
  importas -ui lease lease
}
s6-echo "udhcpc-script: renew: ${ip}/${mask} on ${interface}, gateway ${router}, lease time ${lease}"