[    1.957004] ip (255) used greatest stack depth: 12392 bytes left
[    2.407559] ip (287) used greatest stack depth: 12344 bytes left
[   61.762811] netem: version 1.3
[  613.129498] ip (14932) used greatest stack depth: 12288 bytes left
[  695.857158] pm_nl_ctl (18730) used greatest stack depth: 11872 bytes left