[    2.403738] ip (283) used greatest stack depth: 12272 bytes left
[   59.091186] netem: version 1.3
[  423.204943] ip (9179) used greatest stack depth: 12248 bytes left
[  615.459430] tc (15686) used greatest stack depth: 11936 bytes left
[  683.457341] pm_nl_ctl (18830) used greatest stack depth: 11704 bytes left