[   59.618672] netem: version 1.3
[  345.273092] pm_nl_ctl (6046) used greatest stack depth: 12336 bytes left
[  410.309968] ip (7795) used greatest stack depth: 12288 bytes left
[  544.268301] ip (11895) used greatest stack depth: 12064 bytes left
[  613.001760] tc (13807) used greatest stack depth: 11936 bytes left
[  680.576832] pm_nl_ctl (16881) used greatest stack depth: 11848 bytes left