From 2e620256bd76c449c835c604e404483437743011 Mon Sep 17 00:00:00 2001
From: Jose Luis Duran <jlduran@gmail.com>
Date: Thu, 12 Oct 2023 13:15:15 +0000
Subject: [PATCH] atf_python: Do not attempt to automatically delete lo0

Else `ifconfig lo0 destroy` will throw an:

    ifconfig: SIOCIFDESTROY: Invalid argument

Reviewed by:	markj
MFC after:	1 week
Pull Request:	https://github.com/freebsd/freebsd-src/pull/865
---
 tests/atf_python/sys/net/vnet.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/atf_python/sys/net/vnet.py b/tests/atf_python/sys/net/vnet.py
index 8942e6839b3..c58ae28d5ca 100644
--- a/tests/atf_python/sys/net/vnet.py
+++ b/tests/atf_python/sys/net/vnet.py
@@ -180,6 +180,8 @@ def create_iface(self, alias_name: str, iface_name: str) -> List[VnetInterface]:
 
     @staticmethod
     def is_autodeleted(iface_name: str) -> bool:
+        if iface_name == "lo0":
+            return False
         iface_type = re.split(r"\d+", iface_name)[0]
         return iface_type in IfaceFactory.AUTODELETE_TYPES