[    1.907080] ip (255) used greatest stack depth: 12296 bytes left
[   52.282859] netem: version 1.3
[   61.986695] ip (3009) used greatest stack depth: 12104 bytes left
[  579.354835] tc (15679) used greatest stack depth: 11952 bytes left
[  637.967524] pm_nl_ctl (18824) used greatest stack depth: 11856 bytes left