[    1.381649] ip (218) used greatest stack depth: 12152 bytes left
[    1.437464] ip (231) used greatest stack depth: 11896 bytes left
[   52.469529] netem: version 1.3
[  531.695522] tc (20907) used greatest stack depth: 11704 bytes left
[  576.786524] pm_nl_ctl (24817) used greatest stack depth: 11080 bytes left