[  399.296687] tun0: no available key for peer 1, key-id: 0
[  399.310097] tun0: no available key for peer 2, key-id: 0
[  399.323385] tun0: no available key for peer 3, key-id: 0
[  399.336307] tun0: no available key for peer 4, key-id: 0
[  403.798397] iperf3 (10043) used greatest stack depth: 11816 bytes left
[  403.931614] tun1: deleting peer with id 10, reason 4
[  403.931715] tun6: deleting peer with id 15, reason 4
[  403.931715] tun2: deleting peer with id 11, reason 4
[  403.931722] tun5: deleting peer with id 14, reason 4
[  403.931748] tun3: deleting peer with id 12, reason 4
[  403.931894] tun4: deleting peer with id 13, reason 4
[  403.931921] tun0: deleting peer with id 6, reason 4
[  403.934284] tun0: deleting peer with id 5, reason 4
[  403.941276] tun0: deleting peer with id 4, reason 4
[  403.946291] tun0: deleting peer with id 3, reason 4
[  403.955261] tun0: deleting peer with id 2, reason 4
[  403.963261] tun0: deleting peer with id 1, reason 4