Re: [PATCH v3] tap, tcp, udp: Use rate-limited logging

[Stefano Brivio <sbrivio@redhat.com>]

On Fri, 10 Apr 2026 16:07:37 +0530
Anshu Kumari <anskuma@redhat.com> wrote:

> Now that rate-limited logging macros are available, promote several
> debug messages to higher severity levels.  These messages were
> previously kept at debug to prevent guests from flooding host
> logs, but with rate limiting they can safely be made visible in
> normal operation.
> 
> In tap.c, refactor tap4_is_fragment() to use warn_ratelimit() instead
> of its ad-hoc rate limiting, and promote the guest MAC address change
> message to info level.
> 
> In tcp.c, promote the invalid TCP SYN endpoint message to warn level.
> 
> In udp.c, promote dropped datagram messages to warn level, and
> rate-limit the unrecoverable socket error message.
> 
> In udp_flow.c, promote flow allocation failures to err_ratelimit.
> 
> Link: https://bugs.passt.top/show_bug.cgi?id=134
> Signed-off-by: Anshu Kumari <anskuma@redhat.com>
> ---
>  v3:
>    - Promote flow allocation failures to err_ratelimit from
>      warn_ratelimit.
>    - Fix remaining alignment issues.
>    - Cc Volker

Applied.

-- 
Stefano