error: write udp sendto: no route to host

[Ehco1996]

Describe the bug
I want to test udp tunnel and proxy ,with iperf3 , but failed with this "sendto: no route to host"

To Reproduce

1. run iperf3 server iperf3 -s

2. run shadowsocks server go-shadowsocks2 -verbose -s "ss://chacha20-ietf-poly1305:hellotheworld4@[0.0.0.0]:1025" -udp

3. run shadowsocks tunnek go-shadowsocks2 -c 'ss://chacha20-ietf-poly1305:hellotheworld4@[0.0.0.0]:1025' -tcptun :1090=localhost:5201 -udptun :1090=localhost:5201 -verbose

4. use iperf3 clinet to test udp iperf3 -c 0.0.0.0 -p 1090 -u

5. you can see the error log

Expected behavior

iperf3 test success

Screenshots

anyone could help? thanks

[Tigerfyj]

In the step 4, you should use the "localhost" as the address.
iperf3 -c localhost -p 1090 -u