Subject: Re: [PATCH 2/2 net-next v2] ipv4: bump rt_genid when a relevant devconf value changes through netlink

From: Jakub Kicinski <[email-masked]>
Date: Sat, 28 Feb 2026 10:45:47 -0800

On Thu, 26 Feb 2026 14:39:49 +0100 Fernando Fernandez Mancera wrote:
> When modifying IPv4 devconf values using netlink for some relevant
> fields the rt_cache_flush() call was missing. In addition, if forwarding
> is enabled on the interface then disable LRO.
> 
> This is needed to avoid possible connectivity issues and ease the
> responsabilities of user space tools.
> 
> Fixes: 9f0f7272ac95 ("ipv4: AF_INET link address family")
> Signed-off-by: Fernando Fernandez Mancera <[email-masked]>

This OTOH probably deserves to be a real fix for net?