[    1.897213] ip (255) used greatest stack depth: 12392 bytes left
[    2.179539] ip (274) used greatest stack depth: 12344 bytes left
[    3.531756] ip (398) used greatest stack depth: 12192 bytes left
[   52.363341] netem: version 1.3
[  599.468509] tc (13805) used greatest stack depth: 11936 bytes left
[  726.047724] pm_nl_ctl (16723) used greatest stack depth: 11792 bytes left