[    2.160591] ip (270) used greatest stack depth: 12544 bytes left
[    2.267843] ip (279) used greatest stack depth: 12344 bytes left
[    2.378055] ip (289) used greatest stack depth: 12288 bytes left
[    5.233641] ip (527) used greatest stack depth: 12272 bytes left
[   56.661713] netem: version 1.3
[  596.450036] tc (15596) used greatest stack depth: 11936 bytes left
[  663.474605] pm_nl_ctl (18733) used greatest stack depth: 11872 bytes left