[    2.446654] ip (286) used greatest stack depth: 12344 bytes left
[   61.090347] netem: version 1.3
[  129.837524] ip (3643) used greatest stack depth: 12192 bytes left
[  625.745240] tc (15592) used greatest stack depth: 11936 bytes left
[  692.012717] pm_nl_ctl (18729) used greatest stack depth: 11872 bytes left