[    1.695972] ip (254) used greatest stack depth: 12200 bytes left
[   49.367807] netem: version 1.3
[   56.593634] ip (3009) used greatest stack depth: 12104 bytes left
[  561.511655] tc (15680) used greatest stack depth: 11952 bytes left
[  619.581435] pm_nl_ctl (18825) used greatest stack depth: 11560 bytes left