[    1.869224] ip (268) used greatest stack depth: 12496 bytes left
[    1.939598] ip (278) used greatest stack depth: 12416 bytes left
[    2.012455] ip (287) used greatest stack depth: 12256 bytes left
[   31.322796] ip (1631) used greatest stack depth: 12232 bytes left
[   53.167289] netem: version 1.3
[  400.636124] ip (9771) used greatest stack depth: 12176 bytes left
[  622.051043] pm_nl_ctl (19770) used greatest stack depth: 11872 bytes left