LXC: controller: change the owner of devices created on host

Since these devices are created for the container.
the owner should be the root user of the container.
Signed-off-by: NGao feng <gaofeng@cn.fujitsu.com>

src/lxc/lxc_controller.c

@@ -1305,6 +1305,10 @@ static int virLXCControllerPopulateDevices(virLXCControllerPtr ctrl)
                                  path);
             goto cleanup;
         }
+
+        if (virLXCControllerChown(ctrl, path) < 0)
+            goto cleanup;
+
         VIR_FREE(path);
     }