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Under VM Life Cycle > Image Repository > Image Packaging. Click the blue + symbol and it will give you an option to upload your qcow2 and set the options for your package.
Alternatively you can download the nfvpt.py tool from VM Life Cycle > Image ...
You need to enable the "platform serial console" command on the ISRv. A reboot is required. On the ASAv you must create a file on Disk0 called use_ttyS0 and then reboot. You can do so by executing the following commands.
ciscoasa(config)# cd coredu...
