[    2.020001] ip (256) used greatest stack depth: 12392 bytes left
[    2.492163] ip (287) used greatest stack depth: 12360 bytes left
[    2.614588] ip (296) used greatest stack depth: 12344 bytes left
[    5.339868] ip (491) used greatest stack depth: 12192 bytes left
[   59.354019] netem: version 1.3
[  670.785728] pm_nl_ctl (16879) used greatest stack depth: 11848 bytes left