[    1.944727] ip (259) used greatest stack depth: 12344 bytes left
[    2.129304] ip (278) used greatest stack depth: 12184 bytes left
[    2.520023] MPTCP: bogus mpc option on established client sk
[   50.094692] netem: version 1.3
[  562.845740] tc (11913) used greatest stack depth: 11824 bytes left