[    1.443236] ip (222) used greatest stack depth: 12216 bytes left
[    1.549286] ip (257) used greatest stack depth: 12008 bytes left
[    3.357599] ip (720) used greatest stack depth: 11976 bytes left
[   51.568808] netem: version 1.3
[   83.531646] ip (4847) used greatest stack depth: 11936 bytes left
[  555.296380] pm_nl_ctl (24825) used greatest stack depth: 11856 bytes left