[    1.816510] ip (253) used greatest stack depth: 12248 bytes left
[    2.226236] ip (294) used greatest stack depth: 12200 bytes left
[   49.771394] netem: version 1.3
[  504.977829] ip (11922) used greatest stack depth: 12184 bytes left
[  582.608407] tc (15679) used greatest stack depth: 11952 bytes left
[  638.903893] pm_nl_ctl (18823) used greatest stack depth: 11872 bytes left