On Fri, Jan 06, 2023 at 05:17:51PM +0200, Martin Zaharinov wrote: > Hi Pablo > > Patch look good and work but in my test after try to add ppp0 on > over chain 1024 receive : Error: Could not process rule: Argument > list too long You are hitting the maximum number of hooks per device (1024). I think you perhaps would like to do something like: for i in `seq 2 9999`; do echo "add chain netdev qos int { devices = { ppp$i } ; }" >> /tmp/ruleset.nft; done instead?