rely un weavetools for testing

...rather than installing ethtool and conntrack

Forgot to do this as part of #309.

test/Vagrantfile

@@ -4,7 +4,7 @@ host1_ip = "192.168.48.19" # arbitrary private IP
 host2_ip = "192.168.48.15" # arbitrary private IP
 
 def configure_docker(host, ip)
-  pkgs = "lxc-docker ethtool conntrack"
+  pkgs = "lxc-docker"
 
   host.vm.box = "phusion/ubuntu-14.04-amd64"
   host.vm.box_url = "https://oss-binaries.phusionpassenger.com/vagrant/boxes/latest/ubuntu-14.04-amd64-vbox.box"

test/setup.sh

@@ -11,6 +11,7 @@ echo Copying weave images and script to hosts
 for HOST in $HOST1 $HOST2; do
     docker_on $HOST load -i /var/tmp/weave.tar
     docker_on $HOST load -i /var/tmp/weavedns.tar
+    docker_on $HOST load -i /var/tmp/weavetools.tar
     run_on $HOST mkdir -p `dirname $WEAVE`
     cat ../weave         | run_on $HOST sh -c "cat > $WEAVE"
     cat ../bin/docker-ns | run_on $HOST sh -c "cat > $DOCKER_NS"