[    1.519324] ip (253) used greatest stack depth: 12424 bytes left
[    1.643264] ip (266) used greatest stack depth: 12408 bytes left
[    1.784618] ip (284) used greatest stack depth: 12392 bytes left
[    1.858861] ip (293) used greatest stack depth: 12216 bytes left
[   28.043908] ip (1634) used greatest stack depth: 12120 bytes left
[   55.028466] netem: version 1.3
[  569.081078] tc (16940) used greatest stack depth: 11896 bytes left
[  625.394040] pm_nl_ctl (20241) used greatest stack depth: 11864 bytes left