vdpa net: fix error message setting virtio status

It incorrectly prints "error setting features", probably because a copy
paste miss.

Fixes: 152128d646 ("vdpa: move CVQ isolation check to net_init_vhost_vdpa")
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Message-Id: <20230915170836.3078172-2-eperezma@redhat.com>
Tested-by: Lei Yang <leiyang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>

net/vhost-vdpa.c

@@ -1368,7 +1368,7 @@ static int vhost_vdpa_probe_cvq_isolation(int device_fd, uint64_t features,
 
     r = ioctl(device_fd, VHOST_VDPA_SET_STATUS, &status);
     if (unlikely(r)) {
-        error_setg_errno(errp, -r, "Cannot set device features");
+        error_setg_errno(errp, -r, "Cannot set status");
         goto out;
     }