[    1.604688] ip (255) used greatest stack depth: 12296 bytes left
[    1.851825] ip (286) used greatest stack depth: 12248 bytes left
[   46.038579] netem: version 1.3
[  569.361960] tc (15682) used greatest stack depth: 11912 bytes left
[  627.563333] pm_nl_ctl (18826) used greatest stack depth: 11752 bytes left