[    1.891766] ip (274) used greatest stack depth: 12536 bytes left
[    1.974905] ip (284) used greatest stack depth: 12344 bytes left
[    2.048595] ip (293) used greatest stack depth: 12200 bytes left
[   51.484520] netem: version 1.3
[  151.266304] sched: DL replenish lagged too much
[  619.863050] pm_nl_ctl (20240) used greatest stack depth: 11872 bytes left