steps for exporting KVM images to other host:
1. copy vm image from /var/lib/libvirt/images on source host to destination host
2. on the source host run:
virsh dumpxml vmname > my_vm.xml
edit my_vm.xml, removing mac address or host guid if needed.
3. on the destination host run:
virsh define my_vm.xml
4. start the vm:
virsh start my_vm
