[  664.693303][    C0] tun0: no available key for peer 2, key-id: 0
[  664.899216][    C0] tun0: no available key for peer 4, key-id: 0
[  665.001180][    C2] tun0: no available key for peer 5, key-id: 0
[  673.111767][ T8911] iperf3 (8911) used greatest stack depth: 22600 bytes left
[  673.340589][ T8818] tun6: deleting peer with id 15, reason 4
[  673.343058][ T8789] tun2: deleting peer with id 11, reason 4
[  673.343097][ T8796] tun3: deleting peer with id 12, reason 4
[  673.343725][ T8782] tun1: deleting peer with id 10, reason 4
[  673.345860][ T8810] tun5: deleting peer with id 14, reason 4
[  673.349462][ T8803] tun4: deleting peer with id 13, reason 4
[  673.358653][ T8819] tun0: deleting peer with id 6, reason 4
[  673.362196][ T8819] tun0: deleting peer with id 5, reason 4
[  673.370885][ T8819] tun0: deleting peer with id 4, reason 4
[  673.378830][ T8819] tun0: deleting peer with id 3, reason 4
[  673.385783][ T8819] tun0: deleting peer with id 2, reason 4
[  673.395749][ T8819] tun0: deleting peer with id 1, reason 4