[    1.972923] ip (260) used greatest stack depth: 12432 bytes left
[    2.389775] ip (292) used greatest stack depth: 12384 bytes left
[    9.929215] ip (907) used greatest stack depth: 12256 bytes left
[   65.266512] netem: version 1.3
[  584.386237] ip (14303) used greatest stack depth: 12224 bytes left
[  694.476287] pm_nl_ctl (18635) used greatest stack depth: 11752 bytes left