[    2.486975] ip (276) used greatest stack depth: 12360 bytes left
[    2.599152] ip (285) used greatest stack depth: 12344 bytes left
[   57.881016] netem: version 1.3
[  131.303397] ip (3238) used greatest stack depth: 12304 bytes left
[  482.748923] ip (9153) used greatest stack depth: 12288 bytes left
[  680.666098] pm_nl_ctl (16878) used greatest stack depth: 11856 bytes left