[   28.114129] ip (292) used greatest stack depth: 12384 bytes left
[   90.583364] netem: version 1.3
[  210.915959] ip (4367) used greatest stack depth: 12224 bytes left
[  604.074318] ip (14699) used greatest stack depth: 12128 bytes left
[  636.358064] tc (15681) used greatest stack depth: 11896 bytes left
[  704.470005] pm_nl_ctl (18826) used greatest stack depth: 11880 bytes left