[    2.139067] ip (190) used greatest stack depth: 12296 bytes left
[    2.163531] ip (198) used greatest stack depth: 12096 bytes left
[   49.944235] netem: version 1.3
[   70.271783] ip (4622) used greatest stack depth: 12056 bytes left
[  554.368209] pm_nl_ctl (24833) used greatest stack depth: 11864 bytes left