[    2.310575] ip (287) used greatest stack depth: 12360 bytes left
[    2.408293] ip (296) used greatest stack depth: 12344 bytes left
[   57.973397] netem: version 1.3
[  125.533488] ip (3213) used greatest stack depth: 12192 bytes left
[  680.702282] pm_nl_ctl (16880) used greatest stack depth: 11848 bytes left