diff --git a/manifests/ztpservice.yaml b/manifests/ztpservice.yaml
index 98a31c86b63aba6fabafaebf0831469505a3ba6b..53ce98b22f55cf98e3d16023b03bb660b9de4917 100644
--- a/manifests/ztpservice.yaml
+++ b/manifests/ztpservice.yaml
@@ -104,22 +104,22 @@ spec:
             limits:
               cpu: 2000m
               memory: 2048Mi
-# ---
-# apiVersion: autoscaling/v2
-# kind: HorizontalPodAutoscaler
-# metadata:
-#  name: ztpservice-hpa
-# spec:
-#  scaleTargetRef:
-#    apiVersion: apps/v1
-#    kind: Deployment
-#    name: ztpservice
-#  minReplicas: 1
-#  maxReplicas: 10
-#  metrics:
-#    - type: Resource
-#      resource:
-#        name: cpu
-#        target:
-#          type: Utilization
-#          averageUtilization: 80
+#  ---
+#  apiVersion: autoscaling/v2
+#  kind: HorizontalPodAutoscaler
+#  metadata:
+#   name: ztpservice-hpa
+#  spec:
+#   scaleTargetRef:
+#     apiVersion: apps/v1
+#     kind: Deployment
+#     name: ztpservice
+#   minReplicas: 1
+#   maxReplicas: 10
+#   metrics:
+#     - type: Resource
+#       resource:
+#         name: cpu
+#         target:
+#           type: Utilization
+#           averageUtilization: 80
diff --git a/src/e2e_orchestrator/service/E2EOrchestratorServiceServicerImpl.py b/src/e2e_orchestrator/service/E2EOrchestratorServiceServicerImpl.py
index bb8e66aa63d103f6bea9f11509c6c011253f7659..4fc0ea3ba45a85bb3b1dccb18191dc1b4e380404 100644
--- a/src/e2e_orchestrator/service/E2EOrchestratorServiceServicerImpl.py
+++ b/src/e2e_orchestrator/service/E2EOrchestratorServiceServicerImpl.py
@@ -238,4 +238,4 @@ class E2EOrchestratorServiceServicerImpl(E2EOrchestratorServiceServicer):
 
             path.connections.append(conn)
 
-
+        return path
diff --git a/src/nbi/service/__main__.py b/src/nbi/service/__main__.py
index 70917e7882a05e9e5af11f83bc657c2cfd0e19bc..fb735f8a775e8cce1bc696ed4f148b2ab0ec9dcc 100644
--- a/src/nbi/service/__main__.py
+++ b/src/nbi/service/__main__.py
@@ -82,13 +82,6 @@ def main():
     rest_server.start()
 
     register_context_subscription()
-    LOGGER.debug('Configured Resources:')
-    for resource in rest_server.api.resources:
-        LOGGER.debug(' - {:s}'.format(str(resource)))
-
-    LOGGER.debug('Configured Rules:')
-    for rule in rest_server.app.url_map.iter_rules():
-        LOGGER.debug(' - {:s}'.format(str(rule)))
 
     LOGGER.debug('Configured Resources:')
     for resource in rest_server.api.resources:
diff --git a/src/nbi/service/rest_server/nbi_plugins/tfs_api/Resources.py b/src/nbi/service/rest_server/nbi_plugins/tfs_api/Resources.py
index d2bf2f889e98575989073dc5ac823b09c5ad22bd..28f94887a1aa9895a337baa40b3896e3d7e95dc1 100644
--- a/src/nbi/service/rest_server/nbi_plugins/tfs_api/Resources.py
+++ b/src/nbi/service/rest_server/nbi_plugins/tfs_api/Resources.py
@@ -13,18 +13,17 @@
 # limitations under the License.
 
 import json
+import logging
 from flask.json import jsonify
 from flask_restful import Resource, request
 from werkzeug.exceptions import BadRequest
-from common.proto.context_pb2 import Empty
+from common.proto.context_pb2 import Empty, LinkTypeEnum
 from common.tools.grpc.Tools import grpc_message_to_json
 from context.client.ContextClient import ContextClient
 from device.client.DeviceClient import DeviceClient
 from service.client.ServiceClient import ServiceClient
 from slice.client.SliceClient import SliceClient
 from vnt_manager.client.VNTManagerClient import VNTManagerClient
-import logging
-from common.proto.context_pb2 import LinkTypeEnum
 
 from .Tools import (
     format_grpc_to_json, grpc_connection_id, grpc_context, grpc_context_id, grpc_device,
@@ -297,7 +296,7 @@ class Links(_Resource):
 
 class Link(_Resource):
     def get(self, link_uuid : str):
-       return format_grpc_to_json(self.context_client.GetLink(grpc_link_id(link_uuid)))
+        return format_grpc_to_json(self.context_client.GetLink(grpc_link_id(link_uuid)))
 
     def put(self, link_uuid : str):
         link_json = request.get_json()
diff --git a/src/nbi/service/rest_server/nbi_plugins/tfs_api/Tools.py b/src/nbi/service/rest_server/nbi_plugins/tfs_api/Tools.py
index 6ed1d7be905fdb8b5fef3f96ea20b1e8a7b75429..bb10ee375f0ecdf7b63459b300dd0ff0fed40615 100644
--- a/src/nbi/service/rest_server/nbi_plugins/tfs_api/Tools.py
+++ b/src/nbi/service/rest_server/nbi_plugins/tfs_api/Tools.py
@@ -23,7 +23,7 @@ from common.tools.grpc.Tools import grpc_message_to_json
 from common.tools.object_factory.Connection import json_connection_id
 from common.tools.object_factory.Context import json_context_id
 from common.tools.object_factory.Device import json_device_id
-from common.tools.object_factory.Link import json_link_id, json_link
+from common.tools.object_factory.Link import json_link_id
 from common.tools.object_factory.PolicyRule import json_policyrule_id
 from common.tools.object_factory.Service import json_service_id
 from common.tools.object_factory.Slice import json_slice_id
diff --git a/src/nbi/service/rest_server/nbi_plugins/tfs_api/__init__.py b/src/nbi/service/rest_server/nbi_plugins/tfs_api/__init__.py
index 22bc52dc0c55c2a93809e3fb59159048c1355b7c..ac3e0b1b765ce0b61405760c5684bc7b3aaa6b25 100644
--- a/src/nbi/service/rest_server/nbi_plugins/tfs_api/__init__.py
+++ b/src/nbi/service/rest_server/nbi_plugins/tfs_api/__init__.py
@@ -19,7 +19,6 @@ from .Resources import (
     Device, DeviceIds, Devices,
     DummyContexts,
     Link, LinkIds, Links,
-    VirtualLink, VirtualLinkIds, VirtualLinks,
     PolicyRule, PolicyRuleIds, PolicyRules,
     Service, ServiceIds, Services,
     Slice, SliceIds, Slices,
@@ -31,38 +30,38 @@ URL_PREFIX = '/tfs-api'
 # Use 'path' type since some identifiers might contain char '/' and Flask is unable to recognize them in 'string' type.
 RESOURCES = [
     # (endpoint_name, resource_class, resource_url)
-    ('api.context_ids',         ContextIds,         '/context_ids'),
-    ('api.contexts',            Contexts,           '/contexts'),
-    ('api.dummy_contexts',      DummyContexts,      '/dummy_contexts'),
-    ('api.context',             Context,            '/context/<path:context_uuid>'),
+    ('api.context_ids',     ContextIds,         '/context_ids'),
+    ('api.contexts',        Contexts,           '/contexts'),
+    ('api.dummy_contexts',  DummyContexts,      '/dummy_contexts'),
+    ('api.context',         Context,            '/context/<path:context_uuid>'),
 
-    ('api.topology_ids',        TopologyIds,        '/context/<path:context_uuid>/topology_ids'),
-    ('api.topologies',          Topologies,         '/context/<path:context_uuid>/topologies'),
-    ('api.topology',            Topology,           '/context/<path:context_uuid>/topology/<path:topology_uuid>'),
+    ('api.topology_ids',    TopologyIds,        '/context/<path:context_uuid>/topology_ids'),
+    ('api.topologies',      Topologies,         '/context/<path:context_uuid>/topologies'),
+    ('api.topology',        Topology,           '/context/<path:context_uuid>/topology/<path:topology_uuid>'),
 
-    ('api.service_ids',         ServiceIds,         '/context/<path:context_uuid>/service_ids'),
-    ('api.services',            Services,           '/context/<path:context_uuid>/services'),
-    ('api.service',             Service,            '/context/<path:context_uuid>/service/<path:service_uuid>'),
+    ('api.service_ids',     ServiceIds,         '/context/<path:context_uuid>/service_ids'),
+    ('api.services',        Services,           '/context/<path:context_uuid>/services'),
+    ('api.service',         Service,            '/context/<path:context_uuid>/service/<path:service_uuid>'),
 
-    ('api.slice_ids',           SliceIds,           '/context/<path:context_uuid>/slice_ids'),
-    ('api.slices',              Slices,             '/context/<path:context_uuid>/slices'),
-    ('api.slice',               Slice,              '/context/<path:context_uuid>/slice/<path:slice_uuid>'),
+    ('api.slice_ids',       SliceIds,           '/context/<path:context_uuid>/slice_ids'),
+    ('api.slices',          Slices,             '/context/<path:context_uuid>/slices'),
+    ('api.slice',           Slice,              '/context/<path:context_uuid>/slice/<path:slice_uuid>'),
 
-    ('api.device_ids',          DeviceIds,          '/device_ids'),
-    ('api.devices',             Devices,            '/devices'),
-    ('api.device',              Device,             '/device/<path:device_uuid>'),
+    ('api.device_ids',      DeviceIds,          '/device_ids'),
+    ('api.devices',         Devices,            '/devices'),
+    ('api.device',          Device,             '/device/<path:device_uuid>'),
 
-    ('api.link_ids',            LinkIds,            '/link_ids'),
-    ('api.links',               Links,              '/links'),
-    ('api.link',                Link,               '/link/<path:link_uuid>'),
+    ('api.link_ids',        LinkIds,            '/link_ids'),
+    ('api.links',           Links,              '/links'),
+    ('api.link',            Link,               '/link/<path:link_uuid>'),
 
-    ('api.connection_ids',      ConnectionIds,      '/context/<path:context_uuid>/service/<path:service_uuid>/connection_ids'),
-    ('api.connections',         Connections,        '/context/<path:context_uuid>/service/<path:service_uuid>/connections'),
-    ('api.connection',          Connection,         '/connection/<path:connection_uuid>'),
+    ('api.connection_ids',  ConnectionIds,      '/context/<path:context_uuid>/service/<path:service_uuid>/connection_ids'),
+    ('api.connections',     Connections,        '/context/<path:context_uuid>/service/<path:service_uuid>/connections'),
+    ('api.connection',      Connection,         '/connection/<path:connection_uuid>'),
 
-    ('api.policyrule_ids',      PolicyRuleIds,      '/policyrule_ids'),
-    ('api.policyrules',         PolicyRules,        '/policyrules'),
-    ('api.policyrule',          PolicyRule,         '/policyrule/<path:policyrule_uuid>'),
+    ('api.policyrule_ids',  PolicyRuleIds,      '/policyrule_ids'),
+    ('api.policyrules',     PolicyRules,        '/policyrules'),
+    ('api.policyrule',      PolicyRule,         '/policyrule/<path:policyrule_uuid>'),
 ]
 
 def register_tfs_api(rest_server : RestServer):