[    2.108680] ip (271) used greatest stack depth: 12536 bytes left
[    2.174925] ip (277) used greatest stack depth: 12448 bytes left
[    2.208303] ip (280) used greatest stack depth: 12272 bytes left
[   41.632904] ip (1998) used greatest stack depth: 12248 bytes left
[   57.165649] netem: version 1.3
[  634.875844] tc (15599) used greatest stack depth: 11936 bytes left
[  703.602272] pm_nl_ctl (18737) used greatest stack depth: 11768 bytes left