[  424.733827] tun0: no available key for peer 3, key-id: 0
[  424.757512] tun0: no available key for peer 5, key-id: 0
[  430.237667] iperf3 (6637) used greatest stack depth: 12000 bytes left
[  430.344025] tun2: deleting peer with id 11, reason 4
[  430.344182] tun0: deleting peer with id 6, reason 4
[  430.344184] tun1: deleting peer with id 10, reason 4
[  430.344187] tun6: deleting peer with id 15, reason 4
[  430.344234] tun3: deleting peer with id 12, reason 4
[  430.344513] tun5: deleting peer with id 14, reason 4
[  430.344601] tun4: deleting peer with id 13, reason 4
[  430.349820] tun0: deleting peer with id 5, reason 4
[  430.350137] tun0: TCP error to peer 1: -32
[  430.350338] tun0: deleting peer with id 1, reason 3
[  430.355646] tun0: deleting peer with id 4, reason 4
[  430.361620] tun0: deleting peer with id 3, reason 4
[  430.374686] tun0: deleting peer with id 2, reason 4