[  406.807791] tun0: no available key for peer 1, key-id: 0
[  406.819643] tun0: no available key for peer 2, key-id: 0
[  406.831588] tun0: no available key for peer 3, key-id: 0
[  406.843767] tun0: no available key for peer 4, key-id: 0
[  411.285693] iperf3 (9863) used greatest stack depth: 11744 bytes left
[  411.416005] tun2: deleting peer with id 11, reason 4
[  411.416010] tun1: deleting peer with id 10, reason 4
[  411.416014] tun6: deleting peer with id 15, reason 4
[  411.416132] tun3: deleting peer with id 12, reason 4
[  411.416191] tun4: deleting peer with id 13, reason 4
[  411.416197] tun0: deleting peer with id 6, reason 4
[  411.416296] tun5: deleting peer with id 14, reason 4
[  411.420730] tun0: deleting peer with id 5, reason 4
[  411.425651] tun0: deleting peer with id 4, reason 4
[  411.431661] tun0: deleting peer with id 3, reason 4
[  411.438659] tun0: deleting peer with id 2, reason 4
[  411.444654] tun0: deleting peer with id 1, reason 4