From d5570f27a78e38384d0b6ca0c9afb0fdb9680d12 Mon Sep 17 00:00:00 2001
From: Tom Wilkie <tom@weave.works>
Date: Wed, 9 Sep 2015 12:27:00 +0000
Subject: [PATCH] Only conntrack tcp connections to reduce cpu load from xml
 marshalling.

---
 probe/endpoint/conntrack.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/probe/endpoint/conntrack.go b/probe/endpoint/conntrack.go
index deefa4575..e853855bc 100644
--- a/probe/endpoint/conntrack.go
+++ b/probe/endpoint/conntrack.go
@@ -105,7 +105,7 @@ var ConntrackModulePresent = func() bool {
 
 // NB this is not re-entrant!
 func (c *Conntracker) run(args ...string) {
-	args = append([]string{"-E", "-o", "xml"}, args...)
+	args = append([]string{"-E", "-o", "xml", "-p", "tcp"}, args...)
 	cmd := exec.Command("conntrack", args...)
 	stdout, err := cmd.StdoutPipe()
 	if err != nil {