24f938a682
Currently, vhost user nic doesn't support non msi guests(like pxe stage) by default. Vhost user nic can't fall back to qemu like normal vhost net nic does. So we should enable it for non msi guests. Signed-off-by: Haifeng Gao <gaohaifeng.gao@huawei.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>