[    2.338044] ip (258) used greatest stack depth: 12392 bytes left
[    2.895374] ip (289) used greatest stack depth: 12344 bytes left
[   29.328456] ip (1414) used greatest stack depth: 12288 bytes left
[   64.934244] netem: version 1.3
[  621.501430] tc (15595) used greatest stack depth: 11936 bytes left
[  687.147900] pm_nl_ctl (18734) used greatest stack depth: 11872 bytes left