[    1.955286] ip (247) used greatest stack depth: 12392 bytes left
[    2.137864] ip (259) used greatest stack depth: 12344 bytes left
[    2.439220] ip (287) used greatest stack depth: 12296 bytes left
[   51.243251] netem: version 1.3
[  392.705228] ip (7159) used greatest stack depth: 12184 bytes left
[  553.720940] tc (11931) used greatest stack depth: 11872 bytes left