[   35.148925] ip (1843) used greatest stack depth: 12176 bytes left
[   48.255947] netem: version 1.3
[  124.522150] ip (3936) used greatest stack depth: 12168 bytes left
[  561.546904] tc (15683) used greatest stack depth: 11928 bytes left
[  618.930436] pm_nl_ctl (18826) used greatest stack depth: 11800 bytes left