[    2.111270] ip (181) used greatest stack depth: 12352 bytes left
[    2.695689] ip (353) used greatest stack depth: 12088 bytes left
[    4.293913] ip (846) used greatest stack depth: 12080 bytes left
[   49.937232] netem: version 1.3
[  541.778795] pm_nl_ctl (24818) used greatest stack depth: 11952 bytes left