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. Thanks, Vimal