$ tar tf openswitch-appliance-image-appliance-ops-0.4.0-master+2016080600.ova
$ tar xf openswitch-appliance-image-appliance-ops-0.4.0-master+2016080600.ova
$ ls OpenSwitch.*
$ qemu-img convert -f vmdk -O raw OpenSwitch.vmdk OpenSwitch.img
$ ls OpenSwitch.*

copy running-config startup-config

echo 'show version' | vtysh