[    1.639825] ip (260) used greatest stack depth: 12184 bytes left
[   49.099506] netem: version 1.3
[  483.937679] ip (12881) used greatest stack depth: 12136 bytes left
[  559.879664] tc (16941) used greatest stack depth: 11896 bytes left
[  617.162523] pm_nl_ctl (20241) used greatest stack depth: 11864 bytes left