[    2.382777] ip (287) used greatest stack depth: 12360 bytes left
[    2.505370] ip (296) used greatest stack depth: 12344 bytes left
[   56.282413] ip (2373) used greatest stack depth: 12304 bytes left
[   56.528394] netem: version 1.3
[  183.136566] ip (3922) used greatest stack depth: 12160 bytes left
[  589.000483] tc (12966) used greatest stack depth: 11936 bytes left