$ waxmill vm-realize \
  --machine a866f9e4-f6c1-4ecf-ad49-000925eefa0a \
  --dry-run true
/sbin/zfs create -V 10gb storage/vm/a866f9e4-f6c1-4ecf-ad49-000925eefa0a/disk-0_1_0

$ waxmill vm-realize \
  --machine a866f9e4-f6c1-4ecf-ad49-000925eefa0a

$ waxmill vm-realize \
  --machine a866f9e4-f6c1-4ecf-ad49-000925eefa0a
INFO com.io7m.waxmill.cmdline.internal.WXMCommandVMRealize: ZFS volume storage/vm/a866f9e4-f6c1-4ecf-ad49-000925eefa0a/disk-0_1_0 exists and has the correct size
