In fact, right now, failing at destroying a cpupool is just
not reported to the user in any explicit way.
Let's log an error, as it is customary for xl in these cases.
Signed-off-by: Dario Faggioli <dario.faggioli@citrix.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>