[    1.361057] ss (235) used greatest stack depth: 12696 bytes left
[    1.462968] ip (252) used greatest stack depth: 12168 bytes left
[   71.582972] netem: version 1.3
[  547.499577] ip (19591) used greatest stack depth: 12152 bytes left
[  630.744726] tc (24873) used greatest stack depth: 11856 bytes left
[  693.379483] pm_nl_ctl (29001) used greatest stack depth: 11832 bytes left