[    2.084512] ip (184) used greatest stack depth: 12296 bytes left
[    2.187362] ip (224) used greatest stack depth: 12072 bytes left
[    3.213077] ip (545) used greatest stack depth: 12056 bytes left
[   49.981897] netem: version 1.3
[   58.167218] ip (4431) used greatest stack depth: 12024 bytes left
[  539.687285] pm_nl_ctl (24828) used greatest stack depth: 11864 bytes left