[    1.590619] ip (253) used greatest stack depth: 12168 bytes left
[   50.178262] netem: version 1.3
[  448.143469] ip (11476) used greatest stack depth: 12120 bytes left
[  551.412247] tc (16942) used greatest stack depth: 11888 bytes left
[  609.643327] pm_nl_ctl (20244) used greatest stack depth: 11832 bytes left