vendor fallback behaviour in case router is not in netdash (eg lab routers)

inventory_provider/routes/poller.py

@@ -944,12 +944,17 @@ def load_error_report_interfaces(
             and not re.match(r".*\.\d+$", name)
         )
 
+    def get_vendor(router: str):
+        return netdash_equipment.get(
+            router, "nokia" if router.startswith("rt0") else "juniper"
+        )
+
     def transform_interface(interface: dict) -> Dict:
         return {
             "router": interface["router"],
             "name": interface["name"],
             "description": interface["description"],
-            "vendor": netdash_equipment.get(interface["router"]),
+            "vendor": get_vendor(interface["router"]),
         }
 
     return sorted(