[    1.659978] ip (253) used greatest stack depth: 12296 bytes left
[    1.987401] ip (285) used greatest stack depth: 12248 bytes left
[   35.028290] ip (1699) used greatest stack depth: 12232 bytes left
[   51.081652] netem: version 1.3
[  546.794227] tc (15682) used greatest stack depth: 11912 bytes left
[  604.226717] pm_nl_ctl (18826) used greatest stack depth: 11864 bytes left