[    1.705868] ip (246) used greatest stack depth: 12368 bytes left
[    1.945444] ip (267) used greatest stack depth: 12320 bytes left
[    2.957685] ip (367) used greatest stack depth: 12160 bytes left
[   47.890216] netem: version 1.3
[  237.026411] ip (4018) used greatest stack depth: 12032 bytes left
[  543.392794] tc (11907) used greatest stack depth: 11824 bytes left