SHA256(ubuntu-ova.ovf)= c90c6083ac8d45dcf3a7931f6401ac0e261ec36b1f34f07fe0c57e7c58c4338d
SHA256(ubuntu-ova-disk1.vmdk)= fe0e1231dc42c7a8b17f4080cd2b69f2e66c040560cd9dcbf6e583304886754a