[    1.900807] ip (258) used greatest stack depth: 12392 bytes left
[    2.208492] ip (280) used greatest stack depth: 12344 bytes left
[   59.762528] netem: version 1.3
[  441.152506] ip (9166) used greatest stack depth: 12192 bytes left
[  635.867410] tc (15595) used greatest stack depth: 11936 bytes left
[  703.376490] pm_nl_ctl (18732) used greatest stack depth: 11872 bytes left