[    2.531778] ip (222) used greatest stack depth: 12216 bytes left
[    2.591196] ip (240) used greatest stack depth: 12088 bytes left
[   43.753942] ip (3262) used greatest stack depth: 11984 bytes left
[   52.640645] netem: version 1.3
[   84.269520] ip (4839) used greatest stack depth: 11976 bytes left
[  116.696844] ip (5231) used greatest stack depth: 11960 bytes left
[  544.748781] pm_nl_ctl (24687) used greatest stack depth: 11864 bytes left