[    1.775032] ip (255) used greatest stack depth: 12280 bytes left
[    2.154995] ip (286) used greatest stack depth: 12232 bytes left
[    4.522296] ip (525) used greatest stack depth: 12088 bytes left
[   52.759058] netem: version 1.3
[  615.178725] tc (21714) used greatest stack depth: 11952 bytes left
[  671.335635] pm_nl_ctl (24854) used greatest stack depth: 11872 bytes left