[    1.931722] ip (245) used greatest stack depth: 12392 bytes left
[    2.138332] ip (257) used greatest stack depth: 12344 bytes left
[    2.636929] MPTCP: bogus mpc option on established client sk
[    4.569272] ip (451) used greatest stack depth: 12296 bytes left
[   36.039460] ip (1461) used greatest stack depth: 12280 bytes left
[   39.890778] ip (1783) used greatest stack depth: 12072 bytes left
[   49.003161] netem: version 1.3
[  578.990314] tc (11905) used greatest stack depth: 11824 bytes left