vswitch 6ac58d7a-193b-49c3-bc12-4fa2a263889e Debian 9 + Open vSwitch 1048576 1048576 1 hvm /usr/share/edk2/ovmf/OVMF_CODE.fd /var/lib/libvirt/qemu/nvram/vswitch_VARS.fd Broadwell-noTSX destroy restart destroy /usr/bin/qemu-kvm