Fix restart network task cannot be skipped (#10512)

Signed-off-by: bo.jiang <bo.jiang@daocloud.io>

roles/reset/tasks/main.yml

@@ -433,7 +433,7 @@
     state: restarted
   when:
     - ansible_os_family not in ["Flatcar", "Flatcar Container Linux by Kinvolk"]
-    - reset_restart_network
+    - reset_restart_network | bool
   tags:
     - services
     - network