[  400.255363] tun0: no available key for peer 1, key-id: 0
[  400.281603] tun0: no available key for peer 3, key-id: 0
[  400.294859] tun0: no available key for peer 4, key-id: 0
[  400.321138] tun0: no available key for peer 6, key-id: 0
[  404.754692] iperf3 (10218) used greatest stack depth: 11816 bytes left
[  404.925582] tun2: deleting peer with id 11, reason 4
[  404.925774] tun3: deleting peer with id 12, reason 4
[  404.925776] tun1: deleting peer with id 10, reason 4
[  404.925778] tun5: deleting peer with id 14, reason 4
[  404.925778] tun4: deleting peer with id 13, reason 4
[  404.925791] tun6: deleting peer with id 15, reason 4
[  404.926150] tun0: deleting peer with id 6, reason 4
[  404.928496] tun0: deleting peer with id 5, reason 4
[  404.936498] tun0: deleting peer with id 4, reason 4
[  404.940555] tun0: deleting peer with id 3, reason 4
[  404.948498] tun0: deleting peer with id 2, reason 4
[  404.955522] tun0: deleting peer with id 1, reason 4