Correct error message for xfs_admin -U generate.
Correct error message for xfs_admin -U generate.

Generating a new xfs'UUID when creating a container, an image or a
snapshot is necessary because isn't possible to mount two xfs volumes
with the same UUID.


Signed-off-by: Micky Del Favero <467a5f6076bb50e812a3851c884491fca0ee48c2@BeeCloudy.net>

Skarlso/lxd,chrisglass/lxd,yura-pakhuchiy/lxd,yura-pakhuchiy/lxd,dustinkirkland/lxd,atxwebs/lxd,stgraber/lxd,stgraber/lxd,atxwebs/lxd,hallyn/lxd,ollie314/lxd,atxwebs/lxd,mjeanson/lxd,ollie314/lxd,Skarlso/lxd,lxc/lxd,mjeanson/lxd,ollie314/lxd,lxc/lxd,pcdummy/lxd,dustinkirkland/lxd,akshaykarle/lxd,akshaykarle/lxd,pcdummy/lxd,lxc/lxd,lxc/lxd,lxc/lxd,erikmack/lxd,yura-pakhuchiy/lxd,Skarlso/lxd,hallyn/lxd,Skarlso/lxd,mjeanson/lxd,stgraber/lxd,dustinkirkland/lxd,techtonik/lxd,erikmack/lxd,atxwebs/lxd,jsavikko/lxd,techtonik/lxd,techtonik/lxd,stgraber/lxd,stgraber/lxd,jsavikko/lxd,georghopp/lxd,hallyn/lxd,stgraber/lxd,jsavikko/lxd,chrisglass/lxd,erikmack/lxd,chrisglass/lxd,lxc/lxd,hallyn/lxd,georghopp/lxd,pcdummy/lxd,akshaykarle/lxd,georghopp/lxd,hallyn/lxd,lxc/lxd,stgraber/lxd,hallyn/lxd