[    1.842003] ip (254) used greatest stack depth: 12392 bytes left
[    2.228226] ip (287) used greatest stack depth: 12360 bytes left
[    2.329395] ip (296) used greatest stack depth: 12344 bytes left
[   10.327071] ip (969) used greatest stack depth: 12192 bytes left
[   55.107963] netem: version 1.3
[  595.435534] tc (12961) used greatest stack depth: 11936 bytes left