[   12.365495] ip (255) used greatest stack depth: 12072 bytes left
[   13.568075] ip (565) used greatest stack depth: 12056 bytes left
[   63.422410] netem: version 1.3
[  115.909320] ip (5209) used greatest stack depth: 12024 bytes left
[  552.438087] pm_nl_ctl (24861) used greatest stack depth: 11864 bytes left