[    1.990759] ip (257) used greatest stack depth: 12392 bytes left
[    2.298255] ip (276) used greatest stack depth: 12360 bytes left
[    3.920810] ip (392) used greatest stack depth: 12344 bytes left
[   42.513658] ip (1793) used greatest stack depth: 12064 bytes left
[   53.945979] netem: version 1.3
[  610.941408] tc (12617) used greatest stack depth: 11936 bytes left