[    1.741888] ip (254) used greatest stack depth: 12304 bytes left
[    2.161735] ip (295) used greatest stack depth: 12272 bytes left
[   37.061076] ip (1866) used greatest stack depth: 12144 bytes left
[   51.706115] netem: version 1.3
[  586.177640] tc (15677) used greatest stack depth: 11936 bytes left
[  643.231754] pm_nl_ctl (18822) used greatest stack depth: 11880 bytes left