From a30fd7a962f8486df0d0dbd3334c7621d22c1aec Mon Sep 17 00:00:00 2001
From: Solomon Hykes <solomon@docker.com>
Date: Wed, 13 Aug 2014 06:45:40 +0000
Subject: [PATCH] Fix inconsistency in IP address parsing errors

Signed-off-by: Solomon Hykes <solomon@docker.com>
---
 opts/ip.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/opts/ip.go b/opts/ip.go
index f0c29750bc..f8a493e68a 100644
--- a/opts/ip.go
+++ b/opts/ip.go
@@ -20,7 +20,7 @@ func NewIpOpt(ref *net.IP, defaultVal string) *IpOpt {
 func (o *IpOpt) Set(val string) error {
 	ip := net.ParseIP(val)
 	if ip == nil {
-		return fmt.Errorf("incorrect IP format")
+		return fmt.Errorf("%s is not an ip address", val)
 	}
 	(*o.IP) = net.ParseIP(val)
 	return nil