/* After setup all virtqueues, we need to set_features so that these
* features can be set into each virtqueue in vhost side. And before
* that, make sure VHOST_USER_F_PROTOCOL_FEATURES is added if mq is
/* After setup all virtqueues, we need to set_features so that these
* features can be set into each virtqueue in vhost side. And before
* that, make sure VHOST_USER_F_PROTOCOL_FEATURES is added if mq is