[    2.137870] ip (269) used greatest stack depth: 12600 bytes left
[    2.362385] ip (287) used greatest stack depth: 12344 bytes left
[   42.616658] ip (2299) used greatest stack depth: 12192 bytes left
[   53.478874] netem: version 1.3
[  407.979839] ip (9026) used greatest stack depth: 12064 bytes left
[  612.025819] tc (15593) used greatest stack depth: 11936 bytes left
[  678.998416] pm_nl_ctl (18731) used greatest stack depth: 11592 bytes left