misc updates

Change-Id: I3c818d263ab0eafbae6934a3b25b6ae02a64f604
diff --git a/ubuntu-16.04/run.example.sh b/ubuntu-16.04/run.example.sh
index fefb086..2ed17e0 100644
--- a/ubuntu-16.04/run.example.sh
+++ b/ubuntu-16.04/run.example.sh
@@ -22,7 +22,9 @@
 
 export PACKER_LOG=1
 # For qemu test-build:
-cloud-localds  --hostname ubuntu --dsmode local config-drive/cloudata.iso  config-drive/user-data.yaml
+[ -f config-drive/cloudata.iso ] && rm -v config-drive/cloudata.iso
+mkisofs -o config-drive/cloudata.iso -V cidata -r -J --quiet config-drive
+# For qemu test-build:
 packer build -only=qemu -parallel=false -on-error=ask template.json
 #rm -rf ~/.packer.d/