From 12cbfff24f60a6fd0a60fd9019d7bec786af28e1 Mon Sep 17 00:00:00 2001
From: Jarrod Johnson <jjohnson2@lenovo.com>
Date: Tue, 5 Sep 2017 09:19:15 -0400
Subject: [PATCH] Fix for unexpected entries in /sys/class/net

For example, in a bonding configuration there is a file there, not just
directories with ifindex entries.
---
 confluent_server/confluent/util.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/confluent_server/confluent/util.py b/confluent_server/confluent/util.py
index 3e41bd86..8f42e715 100644
--- a/confluent_server/confluent/util.py
+++ b/confluent_server/confluent/util.py
@@ -31,6 +31,8 @@ def list_interface_indexes():
     # For now be linux specific
     try:
         for iface in os.listdir('/sys/class/net/'):
+            if not os.path.exists('/sys/class/net/{0}/ifindex'.format(iface)):
+                continue
             ifile = open('/sys/class/net/{0}/ifindex'.format(iface), 'r')
             intidx = int(ifile.read())
             ifile.close()