On Wed, Feb 02, 2022 at 07:56:47PM +0530, Vimal Agrawal wrote: > Hi Florian/ Pablo, > > We are hitting https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/net/netfilter?h=v5.4.172&id=a504b703bb1da526a01593da0e4be2af9d9f5fa8 > in 4.x LTS and I see it is not back ported. > > We have MASQ/NAT enabled with 64000+ active connections and hence hitting it. > > I am wondering if there is a good reason why it is not back ported to > 4.x LTS that I should be aware of. I tried back porting it locally on > 4.14.173 and it seems to be working fine. Could you post the backport to netfilter-devel@xxxxxxxxxxxxxxx for review? That would save time, if it looks correct, we can request for inclusion into 4.x LTS Thanks