[    1.903246] ip (261) used greatest stack depth: 12344 bytes left
[   42.557033] ip (1886) used greatest stack depth: 12184 bytes left
[   50.773096] netem: version 1.3
[  338.420640] ip (5170) used greatest stack depth: 12168 bytes left
[  583.738474] tc (11991) used greatest stack depth: 11872 bytes left