[    1.650892] ip (252) used greatest stack depth: 12168 bytes left
[   34.713418] ip (1866) used greatest stack depth: 11976 bytes left
[   50.410576] netem: version 1.3
[  569.993636] tc (16941) used greatest stack depth: 11896 bytes left
[  626.245429] pm_nl_ctl (20241) used greatest stack depth: 11848 bytes left