[  423.095193] tun0: no available key for peer 2, key-id: 0
[  428.594153] iperf3 (6634) used greatest stack depth: 12000 bytes left
[  428.785346] tun1: deleting peer with id 10, reason 4
[  428.785505] tun5: deleting peer with id 14, reason 4
[  428.785505] tun2: deleting peer with id 11, reason 4
[  428.785505] tun4: deleting peer with id 13, reason 4
[  428.785510] tun6: deleting peer with id 15, reason 4
[  428.785692] tun3: deleting peer with id 12, reason 4
[  428.785788] tun0: deleting peer with id 6, reason 4
[  428.787761] tun0: TCP error to peer 1: -32
[  428.788005] tun0: deleting peer with id 1, reason 3
[  428.789683] tun0: deleting peer with id 5, reason 4
[  428.797661] tun0: deleting peer with id 4, reason 4
[  428.806648] tun0: deleting peer with id 3, reason 4
[  428.811656] tun0: deleting peer with id 2, reason 4