[    2.463418] ip (216) used greatest stack depth: 12576 bytes left
[    2.515774] ip (229) used greatest stack depth: 12520 bytes left
[    2.560009] ip (247) used greatest stack depth: 12080 bytes left
[   52.055652] netem: version 1.3
[  130.187269] ip (5217) used greatest stack depth: 12024 bytes left
[  558.307267] pm_nl_ctl (24668) used greatest stack depth: 11856 bytes left