From 3a3f960d5cfee60766e7de9e1fced537cac72106 Mon Sep 17 00:00:00 2001
From: Wesley Wiedenmeier <wesley.wiedenmeier@gmail.com>
Date: Tue, 22 Mar 2016 02:20:06 -0500
Subject: In generate_fallback_config() fix function to sort potential
 interfaces to work on interfaces with characters between their numbers

---
 cloudinit/net/__init__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cloudinit/net/__init__.py b/cloudinit/net/__init__.py
index 389c2afb..36f07a02 100644
--- a/cloudinit/net/__init__.py
+++ b/cloudinit/net/__init__.py
@@ -346,7 +346,7 @@ def generate_fallback_config():
         name = DEFAULT_PRIMARY_INTERFACE
     else:
         potential_interfaces.sort(
-                key=lambda x: int(x.strip(string.ascii_letters)))
+                key=lambda x: int(''.join(i for i in x if i in string.digits)))
         name = potential_interfaces[0]
 
     sysfs_mac = os.path.join(SYS_CLASS_NET, name, 'address')
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