[    1.695626] ip (254) used greatest stack depth: 12296 bytes left
[    2.061572] ip (294) used greatest stack depth: 12248 bytes left
[   51.769795] netem: version 1.3
[  622.121543] tc (21220) used greatest stack depth: 11952 bytes left
[  710.165336] pm_nl_ctl (24363) used greatest stack depth: 11872 bytes left