[    1.605553] ip (257) used greatest stack depth: 12296 bytes left
[    9.312620] ip (1134) used greatest stack depth: 12232 bytes left
[   48.261844] ip (2857) used greatest stack depth: 12104 bytes left
[   48.343600] netem: version 1.3
[  573.506609] tc (15681) used greatest stack depth: 11952 bytes left
[  631.834925] pm_nl_ctl (18825) used greatest stack depth: 11856 bytes left