[    2.206840] ip (267) used greatest stack depth: 12344 bytes left
[    2.646138] MPTCP: bogus mpc option on established client sk
[   37.026129] ip (1364) used greatest stack depth: 12296 bytes left
[   38.278087] ip (1464) used greatest stack depth: 12072 bytes left
[   52.411087] netem: version 1.3