[    1.720161] ip (255) used greatest stack depth: 12296 bytes left
[    9.285394] ip (1020) used greatest stack depth: 12136 bytes left
[   51.613195] netem: version 1.3
[  636.719468] tc (21372) used greatest stack depth: 11952 bytes left
[  692.975402] pm_nl_ctl (24511) used greatest stack depth: 11872 bytes left