[    2.276463] ip (271) used greatest stack depth: 12536 bytes left
[    2.395070] ip (280) used greatest stack depth: 12480 bytes left
[    2.508102] ip (289) used greatest stack depth: 12272 bytes left
[   61.119834] netem: version 1.3
[  102.565014] ip (3332) used greatest stack depth: 12128 bytes left
[  639.256895] tc (15594) used greatest stack depth: 11936 bytes left
[  706.973417] pm_nl_ctl (18732) used greatest stack depth: 11816 bytes left