[    2.052514] ip (277) used greatest stack depth: 12344 bytes left
[   23.467726] ip (1266) used greatest stack depth: 12064 bytes left
[   52.907048] netem: version 1.3
[  583.577888] tc (13806) used greatest stack depth: 11936 bytes left
[  651.790499] pm_nl_ctl (16720) used greatest stack depth: 11512 bytes left