[    1.477418] ip (254) used greatest stack depth: 12248 bytes left
[    1.517707] ip (259) used greatest stack depth: 12184 bytes left
[   47.485047] netem: version 1.3
[  125.488954] ip (4069) used greatest stack depth: 12136 bytes left
[  558.510421] tc (16946) used greatest stack depth: 11896 bytes left
[  614.510543] pm_nl_ctl (20246) used greatest stack depth: 11864 bytes left