[    2.403938] ip (254) used greatest stack depth: 12152 bytes left
[   82.005729] netem: version 1.3
[   97.043957] ip (5792) used greatest stack depth: 12088 bytes left
[  661.475237] tc (26290) used greatest stack depth: 11864 bytes left
[  740.043285] pm_nl_ctl (30417) used greatest stack depth: 11608 bytes left