[    1.956763] ip (255) used greatest stack depth: 12616 bytes left
[    2.152634] ip (268) used greatest stack depth: 12600 bytes left
[    2.251949] ip (278) used greatest stack depth: 12344 bytes left
[   60.152763] netem: version 1.3
[  380.110453] ip (7161) used greatest stack depth: 12064 bytes left
[  694.500860] pm_nl_ctl (18730) used greatest stack depth: 11840 bytes left