[    1.628591] ip (254) used greatest stack depth: 12544 bytes left
[    1.651969] ip (257) used greatest stack depth: 12304 bytes left
[    1.920181] ip (286) used greatest stack depth: 12272 bytes left
[   35.235678] ip (1832) used greatest stack depth: 12240 bytes left
[   49.753133] netem: version 1.3
[  571.819814] tc (15679) used greatest stack depth: 11952 bytes left
[  629.205502] pm_nl_ctl (18823) used greatest stack depth: 11864 bytes left