diff --git a/inventory_provider/routes/lnetd.py b/inventory_provider/routes/lnetd.py
index 18b1d772628718370425b13c5bc082ae558715d9..e0f9e778a7bee36e74487ad103430cb92098e411 100644
--- a/inventory_provider/routes/lnetd.py
+++ b/inventory_provider/routes/lnetd.py
@@ -11,20 +11,18 @@ from inventory_provider.routes.common import _ignore_cache_or_retrieve
 logger = logging.getLogger(__name__)
 routes = Blueprint('lnetd-support-routes', __name__)
 
-Gb = 1 << 30
-
 INTERFACE_LIST_SCHEMA = {
     '$schema': 'http://json-schema.org/draft-07/schema#',
 
     'definitions': {
 
-        "ipv4-interface-address": {
-            "type": "string",
-            "pattern": r'^(\d+\.){3}\d+/\d+$'
+        'ipv4-interface-address': {
+            'type': 'string',
+            'pattern': r'^(\d+\.){3}\d+/\d+$'
         },
-        "ipv6-interface-address": {
-            "type": "string",
-            "pattern": r'^[a-f\d:]+/\d+$'
+        'ipv6-interface-address': {
+            'type': 'string',
+            'pattern': r'^[a-f\d:]+/\d+$'
         },
 
         'interface': {
@@ -33,13 +31,13 @@ INTERFACE_LIST_SCHEMA = {
                 'hostname': {'type': 'string'},
                 'interface': {'type': 'string'},
                 'ifIndex': {'type': 'integer', 'minimum': 1},
-                "ipv4": {
-                    "type": "array",
-                    "items": {"$ref": "#/definitions/ipv4-interface-address"}
+                'ipv4': {
+                    'type': 'array',
+                    'items': {'$ref': '#/definitions/ipv4-interface-address'}
                 },
-                "ipv6": {
-                    "type": "array",
-                    "items": {"$ref": "#/definitions/ipv6-interface-address"}
+                'ipv6': {
+                    'type': 'array',
+                    'items': {'$ref': '#/definitions/ipv6-interface-address'}
                 },
             },
             'required': ['hostname', 'interface', 'ifIndex', 'ipv4', 'ipv6'],
diff --git a/test/per_router/test_lnetd_routes.py b/test/per_router/test_lnetd_routes.py
new file mode 100644
index 0000000000000000000000000000000000000000..d4017fa36fc09107af505aa37bc81ed563e3df22
--- /dev/null
+++ b/test/per_router/test_lnetd_routes.py
@@ -0,0 +1,23 @@
+import json
+import jsonschema
+import pytest
+from inventory_provider.routes.lnetd import INTERFACE_LIST_SCHEMA
+
+DEFAULT_REQUEST_HEADERS = {
+    'Accept': ['application/json']
+}
+
+
+def test_router_interfaces(router, client):
+    if router.startswith('qfx'):
+        pytest.skip('no interfaces expected for {router}, skipping')
+
+    rv = client.post(
+        f'/LnetD/interfaces/{router}',
+        headers=DEFAULT_REQUEST_HEADERS)
+
+    assert rv.status_code == 200
+    response = json.loads(rv.data.decode('utf-8'))
+    jsonschema.validate(response, INTERFACE_LIST_SCHEMA)
+    assert response  # at least shouldn't be empty
+    assert all(ifc['hostname'] == router for ifc in response)
diff --git a/test/test_general_lnetd_routes.py b/test/test_general_lnetd_routes.py
index 359afebfc3d25eaae9f61bed7de31a92866519ad..4cec6a5643046d37374b3ee6f1471ebe78e1233c 100644
--- a/test/test_general_lnetd_routes.py
+++ b/test/test_general_lnetd_routes.py
@@ -3,7 +3,7 @@ import jsonschema
 from inventory_provider.routes import lnetd
 
 DEFAULT_REQUEST_HEADERS = {
-    "Accept": ["application/json"]
+    'Accept': ['application/json']
 }