[    1.638740] ip (254) used greatest stack depth: 12304 bytes left
[    1.987767] ip (295) used greatest stack depth: 12272 bytes left
[   50.769163] netem: version 1.3
[  505.147336] ip (14010) used greatest stack depth: 12240 bytes left
[  560.307746] tc (15679) used greatest stack depth: 11952 bytes left
[  617.761031] pm_nl_ctl (18824) used greatest stack depth: 11864 bytes left