[    2.139510] ip (256) used greatest stack depth: 12392 bytes left
[    2.516276] ip (278) used greatest stack depth: 12344 bytes left
[   45.662363] ip (1854) used greatest stack depth: 12280 bytes left
[   64.959196] netem: version 1.3
[  521.551807] ip (10808) used greatest stack depth: 12192 bytes left
[  577.172985] ip (14075) used greatest stack depth: 12032 bytes left
[  698.486703] pm_nl_ctl (18724) used greatest stack depth: 11832 bytes left