SHA256(ubuntu-ova.ovf)= c72268cf189a0027f46b572adef396405eb3760d93b9dc1cb097f398905f1e4e
SHA256(ubuntu-ova-disk1.vmdk)= 91ea9cb9c3746249c4a284762f2ccac1185f6a92d59eb0c527c334e86695d2b5