[    2.528103] ip (217) used greatest stack depth: 12568 bytes left
[    2.562441] ip (225) used greatest stack depth: 12560 bytes left
[    2.606541] ip (243) used greatest stack depth: 12544 bytes left
[   17.950577] ip (1713) used greatest stack depth: 12352 bytes left
[   52.048294] netem: version 1.3
[   65.259806] ip (4649) used greatest stack depth: 12056 bytes left
[  525.632914] pm_nl_ctl (24674) used greatest stack depth: 11856 bytes left