[   36.694947] ip (1737) used greatest stack depth: 12288 bytes left
[   40.832545] ip (2147) used greatest stack depth: 12160 bytes left
[   52.929124] netem: version 1.3
[  109.054685] ip (3908) used greatest stack depth: 12064 bytes left
[  583.731212] tc (15594) used greatest stack depth: 11936 bytes left
[  648.820287] pm_nl_ctl (18732) used greatest stack depth: 11872 bytes left