Error: listen ip4:icmp: lookup enp1s0: Temporary failure in name resolution

[websecer]

root@KS-yue:~# ./client -d 65.20.91.117 -i enp1s0
Error: listen ip4:icmp: lookup enp1s0: Temporary failure in name resolution

[ARTICFOX1234]

when I start server and simultaneously start client it is not showing any output

[Jacker132]

The target must have a public IP address, otherwise the command that the server needs to execute cannot be sent to the target.