[    2.820373] ip (285) used greatest stack depth: 12344 bytes left
[   62.770054] netem: version 1.3
[   78.374769] ip (2802) used greatest stack depth: 12160 bytes left
[  601.072038] tc (13805) used greatest stack depth: 11936 bytes left
[  667.390114] pm_nl_ctl (16880) used greatest stack depth: 11608 bytes left