Nicolas Bock <nicolasbock@xxxxxxxxx> wrote: > I load firewall rules via iptables-restore early on during boot. Up to > kernel and including 5.0.x this works flawlessly, however, switching to > kernel 5.1.x (I tried several versions) the relevant kernel modules are not > loaded on `iptables-restore` anymore and the command fails. After manually > loading the modules, iptables (1.8.3) complains that it 'can not initialize: > no child processes'. So far I haven't found a way to use iptables in any way > on 5.1.x. > > Was the iptables interface deprecated/removed in 5.1.x? Or am I missing > something? No, if its broken thats a regression, I am not aware of any change that would cause this. iptables-restore works for me on 5.1.3 kernel.