confirm guest features before init virtqueues. based on 23de1376b695c28432fbbc55584644188c4e51ef commit 23de1376b695c28432fbbc55584644188c4e51ef Author: Julius Rus <iuliur@google.com> Date:   Sun Oct 19 16:12:16 2014 -0700
confirm guest features before init virtqueues.
based on 23de1376b695c28432fbbc55584644188c4e51ef
commit 23de1376b695c28432fbbc55584644188c4e51ef
Author: Julius Rus <iuliur@google.com>
Date:   Sun Oct 19 16:12:16 2014 -0700

    Only enable hotplug if the host advertises it.

    Signed-off-by: Iuliu Rus <iuliur@google.com>

daynix/kvm-guest-drivers-windows,gnif/kvm-guest-drivers-windows,vrozenfe/kvm-guest-drivers-windows,GoogleCloudPlatform/compute-windows-drivers,ladipro/kvm-guest-drivers-windows,GoogleCloudPlatform/compute-windows-drivers,daynix/kvm-guest-drivers-windows,ladipro/kvm-guest-drivers-windows,virtio-win/kvm-guest-drivers-windows,YanVugenfirer/kvm-guest-drivers-windows,YanVugenfirer/virtio-win-arm,YanVugenfirer/kvm-guest-drivers-windows,gnif/kvm-guest-drivers-windows,daynix/kvm-guest-drivers-windows,vrozenfe/kvm-guest-drivers-windows,vrozenfe/kvm-guest-drivers-windows,gnif/kvm-guest-drivers-windows,YanVugenfirer/virtio-win-arm,daynix/kvm-guest-drivers-windows,gnif/kvm-guest-drivers-windows,YanVugenfirer/kvm-guest-drivers-windows,vrozenfe/kvm-guest-drivers-windows,YanVugenfirer/virtio-win-arm,YanVugenfirer/kvm-guest-drivers-windows,YanVugenfirer/virtio-win-arm,ladipro/kvm-guest-drivers-windows,GoogleCloudPlatform/compute-windows-drivers,virtio-win/kvm-guest-drivers-windows,vrozenfe/kvm-guest-drivers-windows,daynix/kvm-guest-drivers-windows,virtio-win/kvm-guest-drivers-windows,virtio-win/kvm-guest-drivers-windows,GoogleCloudPlatform/compute-windows-drivers,virtio-win/kvm-guest-drivers-windows,YanVugenfirer/kvm-guest-drivers-windows,ladipro/kvm-guest-drivers-windows