[    1.446907] ip (254) used greatest stack depth: 12168 bytes left
[   50.422648] netem: version 1.3
[   89.513316] ip (3586) used greatest stack depth: 11912 bytes left
[  571.863049] tc (16939) used greatest stack depth: 11896 bytes left
[  629.868935] pm_nl_ctl (20241) used greatest stack depth: 11848 bytes left