Add missing string parameters in error message

Change-Id: Iada53658d4fc2b936da79ccae16d95b6b218e7f0

1 files changed, 2 insertions, 2 deletions

diff --git a/util.py b/util.py
index 35c3bb2..5abe16b 100644
--- a/util.py
+++ b/util.py
@@ -434,9 +434,9 @@ class VlanUtil:
         if port.is_locked:
             raise InputError("Port ID %d is locked" % port_id)
         if mode == 'trunk' and port.is_trunk:
-            raise InputError("Port ID %d is already in trunk mode")
+            raise InputError("Port ID %d is already in trunk mode" % port_id)
         if mode == 'access' and not port.is_trunk:
-            raise InputError("Port ID %d is already in access mode")
+            raise InputError("Port ID %d is already in access mode" % port_id)
         base_vlan_tag = db.get_vlan_tag_by_id(port.base_vlan_id)
 
         # Get the right driver