KVM configuring

Are you running a non standard setup that involves encrypted volumes? (why did you leave this out?) Because looking up the errors you mention I found a support thread with identical ones. Try this fix by the user here:

If that doesn’t work, I won’t be able to help becuase its not a setup I plan on doing.

I recommend enabling LINUX’S LUKS FDE solution instead of going thru the pain of something like this.