[  422.531993] tun0: no available key for peer 1, key-id: 0
[  422.545010] tun0: no available key for peer 2, key-id: 0
[  428.051468] iperf3 (6646) used greatest stack depth: 12032 bytes left
[  428.238817] tun4: deleting peer with id 13, reason 4
[  428.238963] tun2: deleting peer with id 11, reason 4
[  428.238978] tun3: deleting peer with id 12, reason 4
[  428.238978] tun6: deleting peer with id 15, reason 4
[  428.238979] tun1: deleting peer with id 10, reason 4
[  428.239135] tun5: deleting peer with id 14, reason 4
[  428.239222] tun0: deleting peer with id 6, reason 4
[  428.243997] tun0: TCP error to peer 1: -32
[  428.244023] tun0: deleting peer with id 5, reason 4
[  428.244257] tun0: deleting peer with id 1, reason 3
[  428.253952] tun0: deleting peer with id 4, reason 4
[  428.262937] tun0: deleting peer with id 3, reason 4
[  428.266962] tun0: deleting peer with id 2, reason 4