Add python-castellan package to the inconsistency_rules

PROD-36602

Change-Id: I52d9a940abb328e405ec1a51e0e80de7bbe17556
(cherry picked from commit 55253c11a4603758902eae6d73745c18bdf76563)
diff --git a/test_set/cvp-sanity/tests/test_packet_checker.py b/test_set/cvp-sanity/tests/test_packet_checker.py
index 179f66a..2ffee03 100644
--- a/test_set/cvp-sanity/tests/test_packet_checker.py
+++ b/test_set/cvp-sanity/tests/test_packet_checker.py
@@ -57,6 +57,7 @@
             "octavia-worker",
             "octavia-health-manager",
             "octavia-housekeeping",
+            "python-castellan",
             'python-automaton',
             'python-setproctitle',
             'python-glanceclient',
@@ -196,7 +197,9 @@
             'Werkzeug',
             'jsonpointer',
             'gunicorn',
-            'ipaddr']
+            'ipaddr',
+            'castellan'
+        ]
     }
     exclude_modules = utils.get_configuration().get("skipped_modules", [])
     group, nodes = nodes_in_group