Subject: Re: [PATCH net-next 1/4] net: bridge: Add support for bridge port in locked mode

From: Stephen Hemminger <[email-masked]>
Date: Mon, 7 Feb 2022 09:30:48 -0800

On Mon,  7 Feb 2022 11:07:39 +0100
Hans Schultz <[email-masked]> wrote:

> --- a/include/uapi/linux/if_link.h
> +++ b/include/uapi/linux/if_link.h
> @@ -532,6 +532,7 @@ enum {
>  	IFLA_BRPORT_GROUP_FWD_MASK,
>  	IFLA_BRPORT_NEIGH_SUPPRESS,
>  	IFLA_BRPORT_ISOLATED,
> +	IFLA_BRPORT_LOCKED,
>  	IFLA_BRPORT_BACKUP_PORT,
>  	IFLA_BRPORT_MRP_RING_OPEN,

Adding new element in middle of enum causes them to be renumbered.
That breaks the kernel ABI. Please add only at end.