[  398.863562] tun0: no available key for peer 1, key-id: 0
[  398.889517] tun0: no available key for peer 3, key-id: 0
[  398.914354] tun0: no available key for peer 5, key-id: 0
[  398.927559] tun0: no available key for peer 6, key-id: 0
[  403.353904] iperf3 (9705) used greatest stack depth: 11768 bytes left
[  403.528451] tun1: deleting peer with id 10, reason 4
[  403.528556] tun5: deleting peer with id 14, reason 4
[  403.528561] tun3: deleting peer with id 12, reason 4
[  403.528648] tun4: deleting peer with id 13, reason 4
[  403.528678] tun6: deleting peer with id 15, reason 4
[  403.528698] tun2: deleting peer with id 11, reason 4
[  403.528808] tun0: deleting peer with id 6, reason 4
[  403.533171] tun0: deleting peer with id 5, reason 4
[  403.546144] tun0: deleting peer with id 4, reason 4
[  403.558160] tun0: deleting peer with id 3, reason 4
[  403.570148] tun0: deleting peer with id 2, reason 4
[  403.584119] tun0: deleting peer with id 1, reason 4