Unfortunately it's not just the openvswitch packages, since the OVS kernel modules are also needed.
Currently we don't install the kernel and modules in the ephemeral environment, since the kernel+initrd is passed by maas directly as boot, so we need to either add OVS modules to the initrd, or install kernel+modules (along with their deps) in the ephemeral env
Unfortunately it's not just the openvswitch packages, since the OVS kernel modules are also needed.
Currently we don't install the kernel and modules in the ephemeral environment, since the kernel+initrd is passed by maas directly as boot, so we need to either add OVS modules to the initrd, or install kernel+modules (along with their deps) in the ephemeral env