[   19.017147] nft (260) used greatest stack depth: 12608 bytes left
[   19.674946] nft (296) used greatest stack depth: 12568 bytes left
[   27.920466] ip (684) used greatest stack depth: 12520 bytes left
[   31.607547] nft (1089) used greatest stack depth: 12408 bytes left
[   98.736944] ip (8970) used greatest stack depth: 12376 bytes left
[  143.411546] traps: iperf3[17650] general protection fault ip:7fc60910833c sp:7ffcb94630c8 error:0 in libc.so.6[ce33c,7fc609062000+175000]
[  143.411555] traps: iperf3[17668] general protection fault ip:7fc6090e94e6 sp:7ffcb94637c0 error:0 in libc.so.6[af4e6,7fc609062000+175000]
[  143.412241] traps: iperf3[17636] general protection fault ip:7f4cdc9c4b7d sp:7ffc2fa04f80 error:0 in libc.so.6[69b7d,7f4cdc983000+175000]