[    2.571579] ip (275) used greatest stack depth: 12448 bytes left
[    2.713912] ip (284) used greatest stack depth: 12360 bytes left
[    2.852746] ip (293) used greatest stack depth: 12344 bytes left
[   50.751912] ip (2388) used greatest stack depth: 12192 bytes left
[   58.093150] netem: version 1.3
[  253.494175] ip (4500) used greatest stack depth: 12160 bytes left
[  682.812440] pm_nl_ctl (16719) used greatest stack depth: 11608 bytes left