[    1.683119] ip (259) used greatest stack depth: 12224 bytes left
[   50.745317] netem: version 1.3
[  483.471812] ip (11528) used greatest stack depth: 12176 bytes left
[  586.801106] tc (16522) used greatest stack depth: 11928 bytes left
[  644.982254] pm_nl_ctl (19771) used greatest stack depth: 11872 bytes left