On Tue, 21 Jan 2014, Richard W.M. Jones wrote:
This could be because the kernel of the libguestfs appliance
doesn't
match the kernel of the guest.
We also encounter such problems when re-labelling images not
matching the dom0 kernel distribution, and just accept the
relabel delay (slow and linear) and second boot (boots are
fast) -- but I had hoped you had a solution ;)
-- Russ herrold