[    1.778433] ip (253) used greatest stack depth: 12296 bytes left
[   28.751084] ip (1555) used greatest stack depth: 12104 bytes left
[   50.827825] netem: version 1.3
[  629.497236] tc (21255) used greatest stack depth: 11952 bytes left
[  686.080516] pm_nl_ctl (24393) used greatest stack depth: 11872 bytes left