handle ncclient-specific exceptions when SSH connection can't be made

inventory_provider/tasks/worker.py

@@ -6,6 +6,7 @@ import os
 import re
 from typing import List
 
+import ncclient.transport.errors
 from celery import Task, states, chord
 from celery.result import AsyncResult
 
@@ -655,7 +656,7 @@ def retrieve_and_persist_interface_info(
     try:
         interface_info_str = juniper.get_interface_info_for_router(hostname, InventoryTask.config["ssh"])
         logger.info(f'interface-info rpc success from {hostname}')
-    except (ConnectionError, juniper.TimeoutError, InventoryTaskError):
+    except (ConnectionError, juniper.TimeoutError, InventoryTaskError, ncclient.transport.errors.SSHError):
         msg = f'error loading interface-info data from {hostname}'
         logger.exception(msg)
         update_callback(msg)