[    1.618194] ip (267) used greatest stack depth: 12424 bytes left
[    1.753475] ip (286) used greatest stack depth: 12360 bytes left
[    1.819515] ip (295) used greatest stack depth: 12344 bytes left
[   45.833776] netem: version 1.3
[   61.331729] ip (3165) used greatest stack depth: 12328 bytes left
[  311.197391] pm_nl_ctl (6800) used greatest stack depth: 12320 bytes left
[  547.965831] tc (15683) used greatest stack depth: 11952 bytes left
[  606.616779] pm_nl_ctl (18829) used greatest stack depth: 11848 bytes left