From 8213eaddf3ce8e87564d2949454903a1484748b5 Mon Sep 17 00:00:00 2001
From: Berker Peksag <berker.peksag@gmail.com>
Date: Thu, 20 Sep 2018 18:08:57 +0300
Subject: [PATCH] bpo-19756: Prevent test failures due to EADDRNOTAVAIL
 (GH-9446)

---
 Lib/test/support/__init__.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Lib/test/support/__init__.py b/Lib/test/support/__init__.py
index 19701cf388..ed0d46de64 100644
--- a/Lib/test/support/__init__.py
+++ b/Lib/test/support/__init__.py
@@ -1426,6 +1426,9 @@ def transient_internet(resource_name, *, timeout=30.0, errnos=()):
         ('EHOSTUNREACH', 113),
         ('ENETUNREACH', 101),
         ('ETIMEDOUT', 110),
+        # socket.create_connection() fails randomly with
+        # EADDRNOTAVAIL on Travis CI.
+        ('EADDRNOTAVAIL', 99),
     ]
     default_gai_errnos = [
         ('EAI_AGAIN', -3),
-- 
2.49.0