From: Lance Richardson
Date: Mon, 8 Aug 2016 18:22:45 -0400
> @@ -392,6 +393,17 @@ static int vti_tunnel_init(struct net_device *dev)
> return ip_tunnel_init(dev);
> }
>
> +static void vti_tunnel_uninit(struct net_device *dev)
> +{
> + struct ip_tunnel *tunnel = netdev_priv(dev);
>
When executing the script included below, the netns delete operation
hangs with the following message (repeated at 10 second intervals):
kernel:unregister_netdevice: waiting for lo to become free. Usage count = 1
This occurs because a reference to the lo interface in the "secure" netns
is still
