[    1.549301] ip (265) used greatest stack depth: 12552 bytes left
[    1.621724] ip (274) used greatest stack depth: 12504 bytes left
[    1.669733] ip (280) used greatest stack depth: 12472 bytes left
[    1.767069] ip (292) used greatest stack depth: 12184 bytes left
[    6.885190] ip (1079) used greatest stack depth: 11960 bytes left
[   71.522112] netem: version 1.3
[  618.886291] tc (24871) used greatest stack depth: 11880 bytes left
[  681.307123] pm_nl_ctl (29000) used greatest stack depth: 11832 bytes left