[    1.649646] ip (254) used greatest stack depth: 12424 bytes left
[    1.705545] ip (259) used greatest stack depth: 12168 bytes left
[    7.946896] ip (936) used greatest stack depth: 12120 bytes left
[   52.077314] netem: version 1.3
[  554.384902] tc (16942) used greatest stack depth: 11896 bytes left
[  613.349529] pm_nl_ctl (20242) used greatest stack depth: 11864 bytes left