[    1.643384] tc (235) used greatest stack depth: 12896 bytes left
[    1.811296] ip (253) used greatest stack depth: 12392 bytes left
[    2.243633] ip (284) used greatest stack depth: 12360 bytes left
[    2.354464] ip (294) used greatest stack depth: 12344 bytes left
[   24.685948] ip (1256) used greatest stack depth: 12208 bytes left
[   57.313250] netem: version 1.3
[  316.139371] ip (5498) used greatest stack depth: 12064 bytes left