[    1.542647] ip (256) used greatest stack depth: 12184 bytes left
[   47.982198] netem: version 1.3
[  328.350078] ip (7843) used greatest stack depth: 12136 bytes left
[  533.958753] tc (16942) used greatest stack depth: 11896 bytes left
[  591.785142] pm_nl_ctl (20242) used greatest stack depth: 11864 bytes left