[  422.936465] tun0: no available key for peer 1, key-id: 0
[  422.947299] tun0: no available key for peer 2, key-id: 0
[  428.397914] iperf3 (6646) used greatest stack depth: 12032 bytes left
[  428.490192] tun1: deleting peer with id 10, reason 4
[  428.490206] tun5: deleting peer with id 14, reason 4
[  428.490206] tun3: deleting peer with id 12, reason 4
[  428.490218] tun0: deleting peer with id 6, reason 4
[  428.490351] tun2: deleting peer with id 11, reason 4
[  428.490510] tun6: deleting peer with id 15, reason 4
[  428.490597] tun4: deleting peer with id 13, reason 4
[  428.495880] tun0: deleting peer with id 5, reason 4
[  428.496238] tun0: TCP error to peer 1: -32
[  428.496465] tun0: deleting peer with id 1, reason 3
[  428.504845] tun0: deleting peer with id 4, reason 4
[  428.508907] tun0: deleting peer with id 3, reason 4
[  428.515917] tun0: deleting peer with id 2, reason 4