[    2.178842] ip (284) used greatest stack depth: 12248 bytes left
[   45.695390] ip (2676) used greatest stack depth: 12232 bytes left
[   52.603177] netem: version 1.3
[  583.219229] tc (15681) used greatest stack depth: 11952 bytes left
[  640.613973] pm_nl_ctl (18826) used greatest stack depth: 11872 bytes left