[  422.462645] tun0: no available key for peer 1, key-id: 0
[  422.474201] tun0: no available key for peer 2, key-id: 0
[  422.497512] tun0: no available key for peer 4, key-id: 0
[  422.510864] tun0: no available key for peer 5, key-id: 0
[  427.971675] iperf3 (6646) used greatest stack depth: 12008 bytes left
[  428.052409] tun3: deleting peer with id 12, reason 4
[  428.052413] tun0: deleting peer with id 6, reason 4
[  428.052415] tun1: deleting peer with id 10, reason 4
[  428.052436] tun5: deleting peer with id 14, reason 4
[  428.052615] tun6: deleting peer with id 15, reason 4
[  428.052624] tun2: deleting peer with id 11, reason 4
[  428.052768] tun4: deleting peer with id 13, reason 4
[  428.057141] tun0: deleting peer with id 5, reason 4
[  428.057210] tun0: TCP error to peer 1: -32
[  428.057407] tun0: deleting peer with id 1, reason 3
[  428.061138] tun0: deleting peer with id 4, reason 4
[  428.068143] tun0: deleting peer with id 3, reason 4
[  428.080142] tun0: deleting peer with id 2, reason 4