[    1.816171] ip (254) used greatest stack depth: 12168 bytes left
[   75.932540] netem: version 1.3
[  626.914651] ip (24108) used greatest stack depth: 12120 bytes left
[  638.371014] tc (24869) used greatest stack depth: 11880 bytes left
[  702.158338] pm_nl_ctl (29000) used greatest stack depth: 11832 bytes left