[   46.833724] netem: version 1.3
[   66.274227] ip (3400) used greatest stack depth: 12136 bytes left
[   83.465983] ip (3573) used greatest stack depth: 11976 bytes left
[  564.251319] tc (16947) used greatest stack depth: 11920 bytes left
[  620.535375] pm_nl_ctl (20247) used greatest stack depth: 11864 bytes left