[    1.459099] ip (257) used greatest stack depth: 12280 bytes left
[    1.752216] ip (294) used greatest stack depth: 12232 bytes left
[   20.346451] ip (1393) used greatest stack depth: 12216 bytes left
[   46.018171] netem: version 1.3
[  621.296848] tc (21229) used greatest stack depth: 11912 bytes left
[  680.067833] pm_nl_ctl (24369) used greatest stack depth: 11872 bytes left