[    8.237723] ip (1109) used greatest stack depth: 11992 bytes left
[   47.965123] ip (3076) used greatest stack depth: 11944 bytes left
[   48.111414] netem: version 1.3
[  567.286890] tc (16940) used greatest stack depth: 11928 bytes left
[  624.415107] pm_nl_ctl (20240) used greatest stack depth: 11880 bytes left