[    2.251056] ip (287) used greatest stack depth: 12344 bytes left
[    6.194085] ip (617) used greatest stack depth: 12304 bytes left
[   53.843575] netem: version 1.3
[  518.753227] ip (10220) used greatest stack depth: 12064 bytes left
[  677.275235] pm_nl_ctl (16875) used greatest stack depth: 11848 bytes left