[    1.681065] ip (254) used greatest stack depth: 12296 bytes left
[    2.053043] ip (295) used greatest stack depth: 12248 bytes left
[   22.361381] ip (1422) used greatest stack depth: 12136 bytes left
[   49.763014] netem: version 1.3
[  633.063857] tc (21465) used greatest stack depth: 11952 bytes left
[  690.943005] pm_nl_ctl (24604) used greatest stack depth: 11872 bytes left