[  399.959360] tun0: no available key for peer 1, key-id: 0
[  399.997867] tun0: no available key for peer 4, key-id: 0
[  400.010683] tun0: no available key for peer 5, key-id: 0
[  400.023145] tun0: no available key for peer 6, key-id: 0
[  404.453128] iperf3 (10050) used greatest stack depth: 11832 bytes left
[  404.587218] tun1: deleting peer with id 10, reason 4
[  404.587289] tun4: deleting peer with id 13, reason 4
[  404.587292] tun2: deleting peer with id 11, reason 4
[  404.587324] tun5: deleting peer with id 14, reason 4
[  404.587393] tun3: deleting peer with id 12, reason 4
[  404.587434] tun6: deleting peer with id 15, reason 4
[  404.587437] tun0: deleting peer with id 6, reason 4
[  404.590101] tun0: deleting peer with id 5, reason 4
[  404.598104] tun0: deleting peer with id 4, reason 4
[  404.603108] tun0: deleting peer with id 3, reason 4
[  404.613095] tun0: deleting peer with id 2, reason 4
[  404.618101] tun0: deleting peer with id 1, reason 4