On Tue, Sep 16, 2025 at 09:21:12PM +0200, Volker Diels-Grabsch wrote:
> Signed-off-by: Volker Diels-Grabsch <v@njh.eu>

Reviewed-by: David Gibson <david@gibson.dropbear.id.au>

> ---
>  tap.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/tap.c b/tap.c
> index 7ba6399..cf862ef 100644
> --- a/tap.c
> +++ b/tap.c
> @@ -1096,7 +1096,11 @@ void tap_add_packet(struct ctx *c, struct iov_tail *data,
>  		return;
>  
>  	if (memcmp(c->guest_mac, eh->h_source, ETH_ALEN)) {
> +		char bufmac[ETH_ADDRSTRLEN];
> +
>  		memcpy(c->guest_mac, eh->h_source, ETH_ALEN);
> +		debug("New guest MAC address observed: %s",
> +		      eth_ntop(c->guest_mac, bufmac, sizeof(bufmac)));
>  		proto_update_l2_buf(c->guest_mac, NULL);
>  	}
>  
> -- 
> 2.47.3
> 

-- 
David Gibson (he or they)	| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you, not the other way
				| around.
http://www.ozlabs.org/~dgibson