[    1.817018] ip (254) used greatest stack depth: 12168 bytes left
[   51.544352] netem: version 1.3
[  499.343435] ip (12623) used greatest stack depth: 12120 bytes left
[  511.289423] ip (13934) used greatest stack depth: 12024 bytes left
[  583.377654] tc (16940) used greatest stack depth: 11872 bytes left
[  645.280303] pm_nl_ctl (20242) used greatest stack depth: 11856 bytes left