[    1.973884] ip (256) used greatest stack depth: 12392 bytes left
[    2.286657] ip (278) used greatest stack depth: 12344 bytes left
[   61.041313] netem: version 1.3
[  303.338817] ip (4983) used greatest stack depth: 12288 bytes left
[  504.355746] ip (9430) used greatest stack depth: 12160 bytes left
[  690.153384] pm_nl_ctl (16881) used greatest stack depth: 11856 bytes left