Subject: Re: [PATCH iproute2-next 3/3] Improve batch times by caching link lookups

From: Stephen Hemminger <[email-masked]>
Date: Mon, 7 Jan 2019 16:05:08 -0800

On Mon,  7 Jan 2019 14:55:52 -0800
David Ahern <[email-masked]> wrote:

> +	idx = ll_link_get(name);
> +	if (idx == 0)
> +		idx = if_nametoindex(name);

What is advantage of using netlink, other than not having to open
a socket.