[  400.710865] tun0: no available key for peer 1, key-id: 0
[  405.188720] iperf3 (10221) used greatest stack depth: 11792 bytes left
[  405.359459] tun2: deleting peer with id 11, reason 4
[  405.359549] tun1: deleting peer with id 10, reason 4
[  405.359556] tun6: deleting peer with id 15, reason 4
[  405.359557] tun0: deleting peer with id 6, reason 4
[  405.359560] tun3: deleting peer with id 12, reason 4
[  405.359586] tun5: deleting peer with id 14, reason 4
[  405.359608] tun4: deleting peer with id 13, reason 4
[  405.364824] tun0: deleting peer with id 5, reason 4
[  405.369790] tun0: deleting peer with id 4, reason 4
[  405.379799] tun0: deleting peer with id 3, reason 4
[  405.387790] tun0: deleting peer with id 2, reason 4
[  405.394784] tun0: deleting peer with id 1, reason 4