[    2.042663] ip (259) used greatest stack depth: 12392 bytes left
[    2.380308] ip (278) used greatest stack depth: 12360 bytes left
[    2.502261] ip (287) used greatest stack depth: 12344 bytes left
[   61.411660] netem: version 1.3
[   94.803166] ip (2937) used greatest stack depth: 12160 bytes left
[  612.747974] tc (13808) used greatest stack depth: 11936 bytes left
[  681.681785] pm_nl_ctl (16881) used greatest stack depth: 11608 bytes left