vhost_net: add version_1 feature

Add VERSION_1 to list of features that we should
test at the backend.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>

hw/net/vhost_net.c

@@ -52,6 +52,7 @@ static const int kernel_feature_bits[] = {
     VIRTIO_RING_F_INDIRECT_DESC,
     VIRTIO_RING_F_EVENT_IDX,
     VIRTIO_NET_F_MRG_RXBUF,
+    VIRTIO_F_VERSION_1,
     VHOST_INVALID_FEATURE_BIT
 };
 
@@ -62,6 +63,7 @@ static const int user_feature_bits[] = {
     VIRTIO_RING_F_EVENT_IDX,
 
     VIRTIO_F_ANY_LAYOUT,
+    VIRTIO_F_VERSION_1,
     VIRTIO_NET_F_CSUM,
     VIRTIO_NET_F_GUEST_CSUM,
     VIRTIO_NET_F_GSO,