SHA256(ubuntu-ova.ovf)= a91a63a4e1fa25698070a021dae1a7aca5048e41bb553cc57b8a5351073248d0
SHA256(ubuntu-ova-disk1.vmdk)= 5a5cfb2beee1629901033120f6b00fa0d308e6f0c07b4204a574706b73749364