[  397.997723] tun0: no available key for peer 1, key-id: 0
[  398.010646] tun0: no available key for peer 2, key-id: 0
[  398.035900] tun0: no available key for peer 4, key-id: 0
[  398.048492] tun0: no available key for peer 5, key-id: 0
[  402.493432] iperf3 (10051) used greatest stack depth: 11816 bytes left
[  402.622065] tun4: deleting peer with id 13, reason 4
[  402.622250] tun1: deleting peer with id 10, reason 4
[  402.622253] tun3: deleting peer with id 12, reason 4
[  402.622257] tun5: deleting peer with id 14, reason 4
[  402.622271] tun2: deleting peer with id 11, reason 4
[  402.622478] tun0: deleting peer with id 6, reason 4
[  402.622529] tun6: deleting peer with id 15, reason 4
[  402.628363] tun0: deleting peer with id 5, reason 4
[  402.635398] tun0: deleting peer with id 4, reason 4
[  402.648367] tun0: deleting peer with id 3, reason 4
[  402.653360] tun0: deleting peer with id 2, reason 4
[  402.671359] tun0: deleting peer with id 1, reason 4