[    1.601427] ip (253) used greatest stack depth: 12168 bytes left
[   51.149659] netem: version 1.3
[   67.058340] ip (3404) used greatest stack depth: 11976 bytes left
[  548.631124] tc (16941) used greatest stack depth: 11896 bytes left
[  605.112629] pm_nl_ctl (20242) used greatest stack depth: 11848 bytes left