[    1.753839] ip (257) used greatest stack depth: 12296 bytes left
[    3.177420] ip (408) used greatest stack depth: 12248 bytes left
[   50.348025] netem: version 1.3
[  388.985839] ip (9141) used greatest stack depth: 12232 bytes left
[  558.905970] tc (15680) used greatest stack depth: 11952 bytes left
[  617.616043] pm_nl_ctl (18825) used greatest stack depth: 11752 bytes left