Trying 192.168.56.21...
Connected to conserv1.
Escape character is '^]'.

ser2net port telnet,3001 device serialdev, /dev/serial/by-path/platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1.2.1.4:1.0-port0, 115200n81, local=false [,115200N81] (Debian GNU/Linux)

 