[    1.918073] ip (254) used greatest stack depth: 12392 bytes left
[    2.423794] ip (285) used greatest stack depth: 12344 bytes left
[   61.206816] netem: version 1.3
[  310.486408] ip (5525) used greatest stack depth: 12288 bytes left
[  581.317834] ip (13192) used greatest stack depth: 12192 bytes left
[  599.794028] tc (13803) used greatest stack depth: 11936 bytes left
[  669.483347] pm_nl_ctl (16877) used greatest stack depth: 11848 bytes left