Log Message:
Import dhcpcd-7.0.3 with the following changes:

  *  udev: uses the logerr framework
  *  BSD: fix segfault when IPv6 addresses exist and carrier changes
  *  dhcp6: fix a null termination overflow on status messages
  *  options: static routes can be setup in global context again
  *  routes: dhcpcd added host routes are now reported correctly