Cc'ing Eric Biederman.

On Thu, May 18, 2017 at 01:21:52PM -0400, Richard Guy Briggs wrote:
> diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
> index 59b63a8..0f77b2a 100644
> --- a/net/bridge/netfilter/ebtables.c
> +++ b/net/bridge/netfilter/ebtables.c
> @@ -27,6 +27,7 @@
>  #include <linux/smp.h>
>  #include <linux/cpumask.h>
>  #include <linux/audit.h>
> +#define PROC_DYNAMIC_FIRST 0xF0000000U
>  #include <net/sock.h>
>  /* needed for logical [in,out]-dev filtering */
>  #include "../br_private.h"
> @@ -1075,7 +1076,8 @@ static int do_replace_finish(struct net *net, struct 
> ebt_replace *repl,
>                       ab = audit_log_start(current->audit_context, GFP_KERNEL,
>                                            AUDIT_NETFILTER_CFG);
>                       if (ab) {
> -                             audit_log_format(ab, "op=replace family=%u 
> table=%s entries=%u",
> +                             audit_log_format(ab, "op=replace net=%u 
> family=%u table=%s entries=%u",
> +                                              net->ns.inum - 
> PROC_DYNAMIC_FIRST,

IIRC, there was a discussion on exposing netns i-node number to
userspace time ago on netdev and Eric Biederman was not happy about
this?

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