SHA256(ubuntu-ova.ovf)= c56658a7315ca779178620a80afddea262d7baba6e64e7b3a7ee152498ec239a
SHA256(ubuntu-ova-disk1.vmdk)= da1d475e3aec87a1de1560679df92e65183aa5d32db761b7e589f3811924af81