[    1.974076] ip (260) used greatest stack depth: 12320 bytes left
[    2.373014] ip (289) used greatest stack depth: 12272 bytes left
[   56.466763] netem: version 1.3
[  152.374918] ip (4052) used greatest stack depth: 12248 bytes left
[  604.687620] tc (15595) used greatest stack depth: 11936 bytes left
[  673.441521] pm_nl_ctl (18734) used greatest stack depth: 11872 bytes left