[    2.482570] ip (255) used greatest stack depth: 12392 bytes left
[    2.922079] ip (286) used greatest stack depth: 12360 bytes left
[    5.505427] ip (492) used greatest stack depth: 12344 bytes left
[   54.459699] netem: version 1.3
[  251.900546] ip (4246) used greatest stack depth: 12160 bytes left
[  606.423903] tc (12830) used greatest stack depth: 11936 bytes left