fix bad filter of AddressPool
diff --git a/xos/services/cord/models.py b/xos/services/cord/models.py
index 6fcef52..b8af9d9 100644
--- a/xos/services/cord/models.py
+++ b/xos/services/cord/models.py
@@ -756,7 +756,7 @@
     def manage_wan_container_ip(self):
         if CORD_USE_VTN:
             if not self.wan_container_ip:
-                ap = AddressPool.objects.filter("public_addresses")
+                ap = AddressPool.objects.filter(name="public_addresses")
                 if not ap:
                     raise Exception("AddressPool 'public_addresses' does not exist. Please configure it.")
                 ap = ap[0]