[    1.716473] ip (253) used greatest stack depth: 12296 bytes left
[    2.058939] ip (294) used greatest stack depth: 12248 bytes left
[   48.618755] netem: version 1.3
[  629.230994] tc (21108) used greatest stack depth: 11952 bytes left
[  688.630072] pm_nl_ctl (24248) used greatest stack depth: 11872 bytes left