+=item B<-c URI> | B<--connect URI>
+
+When used in conjunction with the I<-d> option, this specifies
+the libvirt URI to use. The default is to use the default libvirt
+connection.
+
+=item B<-d libvirt-domain> | B<--domain libvirt-domain>
+
+Add disks from the named libvirt domain. If the I<--ro> option is
+also used, then any libvirt domain can be used. However in write
+mode, only libvirt domains which are shut down can be named here.
+