[    1.791931] ip (254) used greatest stack depth: 12288 bytes left
[    1.814587] ip (257) used greatest stack depth: 12224 bytes left
[   50.976039] netem: version 1.3
[  504.269156] ip (14271) used greatest stack depth: 12176 bytes left
[  552.621932] tc (15682) used greatest stack depth: 11928 bytes left
[  610.304001] pm_nl_ctl (18827) used greatest stack depth: 11872 bytes left