SHA256(ubuntu-ova.ovf)= b241e26b87f19bf6bf6ff504d17a73da8724dcf1800f2621f79f755e2d0e2fd8
SHA256(ubuntu-ova-disk1.vmdk)= dc855b525bf0fa865359e9ea725ec1ccd3866e3d3c61dcdb2ae7614e6d8ba293