Interfaces extractor modifies the inventory as it processes tags. Copy the variable first to fix it. (#556)

Author: nahun

plugins/inventory/nb_inventory.py

@@ -258,6 +258,7 @@
 import json
 import uuid
 import math
+from copy import deepcopy
 from functools import partial
 from sys import version as python_version
 from threading import Thread
@@ -680,7 +681,7 @@ def extract_interfaces(self, host):
                 else self.device_interfaces_lookup
             )
 
-            interfaces = list(interfaces_lookup[host["id"]].values())
+            interfaces = deepcopy(list(interfaces_lookup[host["id"]].values()))
 
             before_netbox_v29 = bool(self.ipaddresses_intf_lookup)
             # Attach IP Addresses to their interface