[    1.681116] iptables (231) used greatest stack depth: 12856 bytes left
[    1.829535] ip (247) used greatest stack depth: 12392 bytes left
[    2.008494] ip (259) used greatest stack depth: 12344 bytes left
[    2.505465] MPTCP: bogus mpc option on established client sk
[   48.894501] netem: version 1.3
[  336.018654] ip (5235) used greatest stack depth: 12184 bytes left