Grzegorz Szpetkowski

Thank you for quick reply. I'm also new to this topic. To give a bit more insight, usage pattern is to apply filtering changes by [nfnetlink batching](https://github.com/torvalds/linux/blob/dbe69e43372212527abf48609aba7fc39a6daa27/net/netfilter/nfnetlink.c#L651). I believe this...