Re: [PATCH net-next v9 0/9] BIG TCP for UDP tunnels
From: Alice Mikityanska <hidden>
Date: 2026-07-23 14:11:57
On Wed, 22 Jul 2026 at 21:15, Jakub Kicinski [off-list ref] wrote:
On Fri, 10 Jul 2026 16:42:33 +0300 Alice Mikityanska wrote:quoted
Patch 09 adds selftests.Seems to fail: https://netdev-ctrl.bots.linux.dev/logs/vmksft/net/results/745543/157-big-tcp-tunnels-sh/stdout # selftests: net: big_tcp_tunnels.sh # 0.05 [+0.05] Setting up VXLAN over IPv4, veth tx csum offload on # 0.11 [+0.06] Warning: Extension comment revision 0 not supported, missing kernel module? # 0.13 [+0.01] iptables v1.8.11 (nf_tables): RULE_INSERT failed (No such file or directory): rule in chain PREROUTING # 0.14 [+0.02] Warning: Extension comment revision 0 not supported, missing kernel module? # 0.16 [+0.02] iptables v1.8.11 (nf_tables): RULE_INSERT failed (No such file or directory): rule in chain OUTPUT # 0.18 [+0.02] Warning: Extension comment revision 0 not supported, missing kernel module? # 0.20 [+0.02] iptables v1.8.11 (nf_tables): RULE_INSERT failed (No such file or directory): rule in chain OUTPUT # 0.20 [+0.01] Running IPv4 traffic in the tunnel # 5.24 [+5.04] Warning: Extension comment revision 0 not supported, missing kernel module? # 5.24 [+0.00] iptables: Bad rule (does a matching rule exist in that chain?). # 5.26 [+0.01] Warning: Extension comment revision 0 not supported, missing kernel module? # 5.26 [+0.00] iptables: Bad rule (does a matching rule exist in that chain?). # 5.27 [+0.01] Warning: Extension comment revision 0 not supported, missing kernel module? # 5.28 [+0.00] iptables: Bad rule (does a matching rule exist in that chain?). # 5.28 [+0.00] Captured BIG TCP RX packets: # 5.28 [+0.00] Captured BIG TCP TX packets: # 5.29 [+0.00] Captured TCP SACK packets: # 5.29 [+0.00] ./big_tcp_tunnels.sh: line 150: [: : integer expected not ok 1 selftests: net: big_tcp_tunnels.sh # exit=1 Sounds like we're missing some iptables options from the config?
Sorry about that! Just sent a quick fix, hopefully it will suffice: https://lore.kernel.org/netdev/20260723140241.132120-1-alice.kernel@fastmail.im/T/#u (local)