[    1.929483] ip (255) used greatest stack depth: 12392 bytes left
[    1.992183] ip (260) used greatest stack depth: 12152 bytes left
[   77.336768] netem: version 1.3
[  140.673472] ip (6261) used greatest stack depth: 11912 bytes left
[  737.409046] pm_nl_ctl (30436) used greatest stack depth: 11864 bytes left