[    1.752422] ip (253) used greatest stack depth: 12536 bytes left
[    1.774276] ip (256) used greatest stack depth: 12184 bytes left
[   48.217912] netem: version 1.3
[  153.469827] ip (4717) used greatest stack depth: 12040 bytes left
[  521.937193] tc (16943) used greatest stack depth: 11920 bytes left
[  578.254292] pm_nl_ctl (20244) used greatest stack depth: 11864 bytes left