[MIRROR] OpenWrt nftables firewall

Jo-Philipp Wich dfbcc1cd12 fw4: skip not existing netdev names in flowtable device list 4 mesiacov pred
root dfbcc1cd12 fw4: skip not existing netdev names in flowtable device list 4 mesiacov pred
tests 698a53354f ruleset: apply egress MSS fixup later to apply final MTU before wire 11 mesiacov pred
.editorconfig 59dbb982b7 Initial commit 3 rokov pred
run_tests.sh fde80708d6 treewide: forward compatibility changes 2 rokov pred