[    2.188787] ip (295) used greatest stack depth: 12288 bytes left
[   52.774450] netem: version 1.3
[   67.390515] ip (3167) used greatest stack depth: 12144 bytes left
[  550.514611] tc (15676) used greatest stack depth: 11936 bytes left
[  606.888477] pm_nl_ctl (18821) used greatest stack depth: 11880 bytes left