From c603419030136570b5944dc4620f62d07b9e82bb Mon Sep 17 00:00:00 2001
From: pallotron <pallotron@fb.com>
Date: Tue, 4 Apr 2017 08:31:21 -0700
Subject: [PATCH] wait for IPv6 RA if using none/static IPv6 assignment
---
modules.d/40network/net-lib.sh | 1 +
1 file changed, 1 insertion(+)
diff --git a/modules.d/40network/net-lib.sh b/modules.d/40network/net-lib.sh
index 75051544..b74fdbdd 100755
--- a/modules.d/40network/net-lib.sh
+++ b/modules.d/40network/net-lib.sh
@@ -671,6 +671,7 @@ wait_for_ipv6_dad() {
while [ $cnt -lt $timeout ]; do
[ -z "$(ip -6 addr show dev "$1" tentative)" ] \
+ && [ -n "$(ip -6 route list proto ra dev "$1")" ] \
&& return 0
[ -n "$(ip -6 addr show dev "$1" dadfailed)" ] \
&& return 1