[    1.879179] ip (248) used greatest stack depth: 12392 bytes left
[    2.054155] ip (260) used greatest stack depth: 12344 bytes left
[    5.225861] ip (547) used greatest stack depth: 12296 bytes left
[   50.601710] netem: version 1.3
[  230.724093] ip (3868) used greatest stack depth: 12056 bytes left
[  571.782189] tc (11913) used greatest stack depth: 11872 bytes left