[    1.672174] ip (268) used greatest stack depth: 12552 bytes left
[    1.784592] ip (283) used greatest stack depth: 12392 bytes left
[    1.807890] ip (286) used greatest stack depth: 12360 bytes left
[    1.875944] ip (296) used greatest stack depth: 12328 bytes left
[   47.510363] netem: version 1.3
[  580.754555] tc (15681) used greatest stack depth: 11928 bytes left
[  638.552804] pm_nl_ctl (18826) used greatest stack depth: 11872 bytes left