[    1.901533] ip (257) used greatest stack depth: 12320 bytes left
[    2.190927] ip (286) used greatest stack depth: 12288 bytes left
[   50.713362] netem: version 1.3
[  584.125163] tc (15675) used greatest stack depth: 11936 bytes left
[  640.125609] pm_nl_ctl (18820) used greatest stack depth: 11880 bytes left