[    1.980466] ip (261) used greatest stack depth: 12344 bytes left
[    2.375459] ip (289) used greatest stack depth: 12280 bytes left
[   60.433907] netem: version 1.3
[  618.399266] tc (15589) used greatest stack depth: 11936 bytes left
[  684.896856] pm_nl_ctl (18728) used greatest stack depth: 11832 bytes left