From 7c2e8089247589ac62b0850ec954e2d9ddb4b635 Mon Sep 17 00:00:00 2001
From: Bryan Boreham <bjboreham@gmail.com>
Date: Tue, 22 Dec 2015 12:10:48 +0000
Subject: [PATCH] Check we have Docker 1.9 or newer before trying to remove a
 network

---
 weave | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/weave b/weave
index 21950e60..c1bf0d32 100755
--- a/weave
+++ b/weave
@@ -1713,9 +1713,11 @@ launch_plugin() {
 }
 
 remove_plugin_network() {
-    docker run --rm --net=host \
-        -v /var/run/docker.sock:/var/run/docker.sock \
-        $PLUGIN_IMAGE --remove-network
+    if [ -z $WEAVE_NO_PLUGIN ] && check_docker_server_api_version 1.21 ; then
+        docker run --rm --net=host \
+               -v /var/run/docker.sock:/var/run/docker.sock \
+               $PLUGIN_IMAGE --remove-network
+    fi
 }
 
 stop_plugin() {