[    2.384225] ip (258) used greatest stack depth: 12392 bytes left
[    2.962796] ip (289) used greatest stack depth: 12344 bytes left
[   47.674667] ip (1994) used greatest stack depth: 12032 bytes left
[   65.352873] netem: version 1.3
[  699.466240] pm_nl_ctl (18734) used greatest stack depth: 11872 bytes left