[  422.012730] tun0: no available key for peer 1, key-id: 0
[  422.033532] tun0: no available key for peer 3, key-id: 0
[  422.042506] tun0: no available key for peer 4, key-id: 0
[  427.469525] iperf3 (6637) used greatest stack depth: 12000 bytes left
[  427.604962] tun1: deleting peer with id 10, reason 4
[  427.604969] tun4: deleting peer with id 13, reason 4
[  427.604970] tun2: deleting peer with id 11, reason 4
[  427.605005] tun3: deleting peer with id 12, reason 4
[  427.605134] tun6: deleting peer with id 15, reason 4
[  427.605143] tun5: deleting peer with id 14, reason 4
[  427.605262] tun0: deleting peer with id 6, reason 4
[  427.609678] tun0: deleting peer with id 5, reason 4
[  427.609851] tun0: TCP error to peer 1: -32
[  427.610055] tun0: deleting peer with id 1, reason 3
[  427.615715] tun0: deleting peer with id 4, reason 4
[  427.620673] tun0: deleting peer with id 3, reason 4
[  427.626713] tun0: deleting peer with id 2, reason 4