[    2.440968] ip (216) used greatest stack depth: 12376 bytes left
[    2.559786] ip (256) used greatest stack depth: 12304 bytes left
[    3.177343] ip (414) used greatest stack depth: 12096 bytes left
[    6.650854] ip (1365) used greatest stack depth: 12040 bytes left
[   52.264823] netem: version 1.3
[  541.187910] pm_nl_ctl (24662) used greatest stack depth: 11856 bytes left