The production deployment of *dnsmasq* for Home Assistant has deviated
from how the *hass-dhcp* role configures it. Bringing the role back in
sync with how things really are.
The *hass-dhcp* role installs dnsmasq and configures it to serve DHCP
requests on the Home Assistant network. Since this network is not
routed, the regular DHCP relay/server setup will not work.
