[    1.451885] ip (216) used greatest stack depth: 12152 bytes left
[    1.600358] ip (257) used greatest stack depth: 11896 bytes left
[   52.119760] netem: version 1.3
[   72.931401] ip (4646) used greatest stack depth: 11888 bytes left
[  572.925952] pm_nl_ctl (24825) used greatest stack depth: 11856 bytes left