[    2.155033] ip (278) used greatest stack depth: 12344 bytes left
[   38.957192] ip (1736) used greatest stack depth: 12288 bytes left
[   59.416192] netem: version 1.3
[  540.338371] ip (13669) used greatest stack depth: 12064 bytes left
[  670.676819] pm_nl_ctl (18730) used greatest stack depth: 11840 bytes left