[    1.761736] ip (254) used greatest stack depth: 12168 bytes left
[   40.450148] ip (2477) used greatest stack depth: 11944 bytes left
[   50.392011] netem: version 1.3
[  556.449137] tc (16941) used greatest stack depth: 11888 bytes left
[  614.127564] pm_nl_ctl (20241) used greatest stack depth: 11768 bytes left