[    2.704444] ip (257) used greatest stack depth: 12296 bytes left
[    4.151835] ip (418) used greatest stack depth: 12248 bytes left
[   50.009626] netem: version 1.3
[  643.677541] tc (21396) used greatest stack depth: 11912 bytes left
[  700.935536] pm_nl_ctl (24536) used greatest stack depth: 11872 bytes left