From e2389a4061d04f1baacd88f1438fb21102232d66 Mon Sep 17 00:00:00 2001
From: Paul Bellamy <paul.a.bellamy@gmail.com>
Date: Thu, 30 Jul 2015 11:52:23 +0100
Subject: [PATCH] [proxy] Don't try to attach if container failed to start

---
 proxy/start_container_interceptor.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/proxy/start_container_interceptor.go b/proxy/start_container_interceptor.go
index 803ca869..9dc1411d 100644
--- a/proxy/start_container_interceptor.go
+++ b/proxy/start_container_interceptor.go
@@ -16,6 +16,10 @@ func (i *startContainerInterceptor) InterceptRequest(r *http.Request) error {
 }
 
 func (i *startContainerInterceptor) InterceptResponse(r *http.Response) error {
+	if r.StatusCode < 200 || r.StatusCode >= 300 { // Docker didn't do the start
+		return nil
+	}
+
 	container, err := inspectContainerInPath(i.proxy.client, r.Request.URL.Path)
 	if err != nil {
 		return err