[   12.312467] ip (214) used greatest stack depth: 12312 bytes left
[   12.447367] ip (254) used greatest stack depth: 12072 bytes left
[   63.158377] netem: version 1.3
[   78.674452] ip (4659) used greatest stack depth: 12008 bytes left
[  555.038049] pm_nl_ctl (24870) used greatest stack depth: 11864 bytes left