[    1.697253] ip (255) used greatest stack depth: 12296 bytes left
[    1.720105] ip (258) used greatest stack depth: 12232 bytes left
[   49.263732] netem: version 1.3
[  563.392796] tc (15679) used greatest stack depth: 11952 bytes left
[  620.486139] pm_nl_ctl (18824) used greatest stack depth: 11864 bytes left