[    1.742843] ip (245) used greatest stack depth: 12392 bytes left
[    1.931017] ip (257) used greatest stack depth: 12344 bytes left
[    2.409863] MPTCP: bogus mpc option on established client sk
[    4.525792] ip (473) used greatest stack depth: 12168 bytes left
[    6.453300] ip (632) used greatest stack depth: 12072 bytes left
[   49.586780] netem: version 1.3
[  588.243756] tc (12055) used greatest stack depth: 11928 bytes left