Not sure, but maybe we should use the same parameter names as corosync.
Maybe 'ring0_addr' and 'ring1_addr' for rrp support?
> - $nodelist->{$name} = { ring0_addr => $name, nodeid => $param->{nodeid} };
> + $nodelist->{$name} = { ring0_addr => $ring_addr, nodeid => $param->{nodeid}
> };