[    1.864751] ip (266) used greatest stack depth: 12472 bytes left
[    1.960433] ip (275) used greatest stack depth: 12232 bytes left
[    2.139784] ip (293) used greatest stack depth: 12200 bytes left
[    4.327297] ip (530) used greatest stack depth: 12168 bytes left
[   50.524420] netem: version 1.3
[  552.505397] tc (16939) used greatest stack depth: 11888 bytes left
[  611.418458] pm_nl_ctl (20240) used greatest stack depth: 11840 bytes left