I've only done limited testing, but it does let you connect to an
existing guestfsd running inside a guest, over virtio-serial.
This is not ready to be applied.
One thing I've not thought about is how well this fits in with plans
to use this mechanism as an alternate way to launch the appliance via
libvirt.
Rich.
--
Richard Jones, Virtualization Group, Red Hat
http://people.redhat.com/~rjones
libguestfs lets you edit virtual machines. Supports shell scripting,
bindings from many languages.
http://libguestfs.org