[  394.972127] tun0: no available key for peer 1, key-id: 0
[  395.008664] tun0: no available key for peer 4, key-id: 0
[  395.020467] tun0: no available key for peer 5, key-id: 0
[  395.032095] tun0: no available key for peer 6, key-id: 0
[  399.456572] iperf3 (10051) used greatest stack depth: 11832 bytes left
[  399.628108] tun4: deleting peer with id 13, reason 4
[  399.628215] tun1: deleting peer with id 10, reason 4
[  399.628286] tun5: deleting peer with id 14, reason 4
[  399.628288] tun3: deleting peer with id 12, reason 4
[  399.628289] tun2: deleting peer with id 11, reason 4
[  399.628296] tun6: deleting peer with id 15, reason 4
[  399.628403] tun0: deleting peer with id 6, reason 4
[  399.638184] tun0: deleting peer with id 5, reason 4
[  399.645175] tun0: deleting peer with id 4, reason 4
[  399.653145] tun0: deleting peer with id 3, reason 4
[  399.657184] tun0: deleting peer with id 2, reason 4
[  399.669130] tun0: deleting peer with id 1, reason 4