User confirmation not properly processed when run as a container

[chadell]

When running tcpgoon in a container, the user confirmation is not properly processed:

****************************** WARNING ******************************
* You are going to run a TCP stress check with these arguments:
*   - Host: www.google.com
*   - TCP Port: 80
*   - # of concurrent connections: 5
*********************************************************************
Do you want to continue? (y/N): Response not processed```

[chadell]

layer8 issue