-1, --enable-dbus[=<service-name>]
Allow dnsmasq configuration to be updated via DBus method calls. The
configuration which can be changed is upstream DNS servers (and
corresponding domains) and cache clear. Requires that dnsmasq has
been built with DBus support. If the service name is given, dnsmasq
provides service at that name, rather than the default which is
uk.org.thekelleys.dnsmasq