From 3fe9be138c65d7291aa30f67a55eca316945bf87 Mon Sep 17 00:00:00 2001
From: Kevin Krakauer <krakauer@google.com>
Date: Mon, 13 Jul 2020 13:53:42 -0700
Subject: [PATCH] iptables: remove useless ip6tables VM rules

This rule isn't restored when the Kokoro VM is restarted, so it's not doing
anything. And the problem it was meant to solved is instead addressed by
https://github.com/google/gvisor/pull/3207.

PiperOrigin-RevId: 321026846
---
 tools/vm/ubuntu1604/25_docker.sh | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/tools/vm/ubuntu1604/25_docker.sh b/tools/vm/ubuntu1604/25_docker.sh
index 53d8ca588..36e55abd2 100755
--- a/tools/vm/ubuntu1604/25_docker.sh
+++ b/tools/vm/ubuntu1604/25_docker.sh
@@ -60,6 +60,3 @@ cat > /etc/docker/daemon.json <<EOF
     "ipv6": true
 }
 EOF
-# Docker's IPv6 support is lacking and does not work the same way as IPv4. We
-# can use NAT so containers can reach the outside world.
-ip6tables -t nat -A POSTROUTING -s 2001:db8:1::/64 ! -o docker0 -j MASQUERADE