From 08b1606f7efa974d548624e033efddb00dbf7a9a Mon Sep 17 00:00:00 2001
From: Karim Radhouani <medkarimrdi@gmail.com>
Date: Fri, 20 Nov 2020 12:47:16 +0800
Subject: [PATCH] show 'NA' in table output if IPv6 address is not set

---
 cmd/inspect.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/cmd/inspect.go b/cmd/inspect.go
index 4d29ef1a8..f0849106b 100644
--- a/cmd/inspect.go
+++ b/cmd/inspect.go
@@ -182,10 +182,16 @@ func getContainerIPv6(container types.Container, bridgeName string) string {
 	}
 	if bridgeName != "" {
 		if br, ok := container.NetworkSettings.Networks[bridgeName]; ok {
+			if br.GlobalIPv6Address == "" {
+				return "NA"
+			}
 			return fmt.Sprintf("%s/%d", br.GlobalIPv6Address, br.GlobalIPv6PrefixLen)
 		}
 	}
 	for _, br := range container.NetworkSettings.Networks {
+		if br.GlobalIPv6Address == "" {
+			return "NA"
+		}
 		return fmt.Sprintf("%s/%d", br.GlobalIPv6Address, br.GlobalIPv6PrefixLen)
 	}
 	return ""