[    1.386485] ip (220) used greatest stack depth: 12168 bytes left
[    1.492823] ip (257) used greatest stack depth: 12008 bytes left
[   16.921317] ip (1720) used greatest stack depth: 11960 bytes left
[   51.118403] netem: version 1.3
[   77.984253] ip (4839) used greatest stack depth: 11936 bytes left
[  547.459067] pm_nl_ctl (24836) used greatest stack depth: 11856 bytes left