SHA256(ubuntu-ova.ovf)= 8313ef39156bfc7e22f1b4ae1d230efb9af4718fcc94993d24bf1c6426a3abe8
SHA256(ubuntu-ova-disk1.vmdk)= d8403fde64ee93ae2d5c30c751f003c10a50a0bc855a39a78f78447ce14d58d3