From dac932f55306b56fffdca2d3fd2b201658fa53b9 Mon Sep 17 00:00:00 2001
From: Matthias Radestock <matthias.radestock@gmail.com>
Date: Sat, 3 Oct 2015 17:09:25 +0100
Subject: [PATCH] fix multi-ip attach

This got broken in f7dfe9d
---
 weave | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/weave b/weave
index 72766758..90db5253 100755
--- a/weave
+++ b/weave
@@ -537,11 +537,9 @@ attach() {
 
     netnsenter ip link set $CONTAINER_IFNAME up || return 1
 
-    if [ -n "$NEW_ADDRS" ] ; then
-        for ADDR in "$NEW_ADDRS" ; do
-            arp_update $CONTAINER_IFNAME $ADDR "netnsenter"
-        done
-    fi
+    for ADDR in $NEW_ADDRS ; do
+        arp_update $CONTAINER_IFNAME $ADDR "netnsenter"
+    done
 
     # Route multicast packets across the weave network.
     # This must come last in 'attach'. If you change this, change weavewait to match.