describes where the hostname is located in the libvirt metadata. The default is
I</instance/name/text()>.
+=item B<ReportBlockDevices> B<true>|B<false>
+
+Enabled by default. Allows to disable stats reporting of block devices for
+whole plugin.
+
+=item B<ReportNetworkInterfaces> B<true>|B<false>
+
+Enabled by default. Allows to disable stats reporting of network interfaces for
+whole plugin.
+
=item B<ExtraStats> B<string>
Report additional extra statistics. The default is no extra statistics, preserving