[    1.709571] ip (268) used greatest stack depth: 12456 bytes left
[    1.857409] ip (286) used greatest stack depth: 12440 bytes left
[    2.900021] ip (410) used greatest stack depth: 12360 bytes left
[    2.965578] ip (419) used greatest stack depth: 12328 bytes left
[   49.228763] netem: version 1.3
[   80.792629] ip (3295) used greatest stack depth: 12200 bytes left
[  567.511864] tc (15682) used greatest stack depth: 11912 bytes left
[  625.832431] pm_nl_ctl (18826) used greatest stack depth: 11872 bytes left