{
    "DestinationType" : "virtual",
    "PartitionLayout" : [ { "disk" : "mbr.img", "partition" : 1, "size" : "20G", "type" : "linux" } ],
    "FilesystemTypes" : [ { "disk" : "mbr.img", "partition" : 1, "type" : "ext4" } ],
    "PartitionMountPoints" : [ { "disk" : "mbr.img", "partition" : 1, "mount" : "/" } ],
    "Version": "latest",
    "Bundles": ["kernel-native", "os-core", "os-core-update"],
    "LegacyBios": true
}