From d427e384797d96e97b5bee0b2dae5c28095bfb87 Mon Sep 17 00:00:00 2001
From: Paul Bellamy <paul.a.bellamy@gmail.com>
Date: Fri, 12 Feb 2016 16:38:51 +0000
Subject: [PATCH] don't show blank ips metadata row for containers with no IP

---
 probe/docker/container.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/probe/docker/container.go b/probe/docker/container.go
index b5e89f8f8e..0f73773876 100644
--- a/probe/docker/container.go
+++ b/probe/docker/container.go
@@ -318,7 +318,10 @@ func (c *container) GetNode(hostID string, localAddrs []net.IP) report.Node {
 	c.RLock()
 	defer c.RUnlock()
 
-	ips := append(c.container.NetworkSettings.SecondaryIPAddresses, c.container.NetworkSettings.IPAddress)
+	ips := c.container.NetworkSettings.SecondaryIPAddresses
+	if c.container.NetworkSettings.IPAddress != "" {
+		ips = append(ips, c.container.NetworkSettings.IPAddress)
+	}
 	// Treat all Docker IPs as local scoped.
 	ipsWithScopes := []string{}
 	for _, ip := range ips {