Only add 127.0.0.1 entry to /etc/hosts with --net=none

The check for net=none was wrong. It just assumed when we do not create
the netns but have one set that we use the none mode. This however also
applies to a container which joins the pod netns.
To correctly check for the none mode use `config.NetMode.IsNone()`.

Fixes #11596

Signed-off-by: Paul Holzinger <pholzing@redhat.com>

1 files changed, 7 insertions, 6 deletions

diff --git a/libpod/container_internal_linux.go b/libpod/container_internal_linux.go
index 0557b30d0..6ebbfd1f3 100644
--- a/libpod/container_internal_linux.go
+++ b/libpod/container_internal_linux.go
@@ -2033,15 +2033,16 @@ func (c *Container) getHosts() string {
 
 		// Do we have a network namespace?
 		netNone := false
-		for _, ns := range c.config.Spec.Linux.Namespaces {
-			if ns.Type == spec.NetworkNamespace {
-				if ns.Path == "" && !c.config.CreateNetNS {
-					netNone = true
+		if c.config.NetNsCtr == "" && !c.config.CreateNetNS {
+			for _, ns := range c.config.Spec.Linux.Namespaces {
+				if ns.Type == spec.NetworkNamespace {
+					if ns.Path == "" {
+						netNone = true
+					}
+					break
 				}
-				break
 			}
 		}
-
 		// If we are net=none (have a network namespace, but not connected to
 		// anything) add the container's name and hostname to localhost.
 		if netNone {