[    2.223987] ip (278) used greatest stack depth: 12648 bytes left
[    2.328267] ip (287) used greatest stack depth: 12360 bytes left
[    2.434581] ip (296) used greatest stack depth: 12344 bytes left
[   55.188409] netem: version 1.3
[   95.383317] ip (2636) used greatest stack depth: 12160 bytes left
[  346.325012] ip (5401) used greatest stack depth: 12064 bytes left
[  613.024392] tc (12620) used greatest stack depth: 11936 bytes left