[    1.900654] ip (286) used greatest stack depth: 12272 bytes left
[    4.159714] ip (542) used greatest stack depth: 12000 bytes left
[   49.248613] netem: version 1.3
[  564.579370] tc (15678) used greatest stack depth: 11936 bytes left
[  624.220367] pm_nl_ctl (18824) used greatest stack depth: 11880 bytes left