[    1.879923] ip (266) used greatest stack depth: 12360 bytes left
[    2.114829] ip (293) used greatest stack depth: 12184 bytes left
[   74.401192] ip (5328) used greatest stack depth: 11928 bytes left
[   74.744081] netem: version 1.3
[  687.962990] pm_nl_ctl (29002) used greatest stack depth: 11832 bytes left