convert_ova_to_qcow2
Extract the .ova file
$ tar -xvf file.ova
Convert the .vmdk to .qcow2
$ qemu-img convert -O qcow2 file.vmdk file.qcow2
Extract the .ova file
$ tar -xvf file.ova
Convert the .vmdk to .qcow2
$ qemu-img convert -O qcow2 file.vmdk file.qcow2