# nmcli c up eth0
Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/4)

# nmcli c s                                                          
NAME         UUID                                  TYPE       DEVICE     
eth0         cb50fb91-7e06-49d3-973d-4b8513bbcb24  ethernet   eth0   
lo           7b0fa53f-8c26-4186-8c8a-6c1fc5cff9bf  loopback   lo               
wg0          fffee1be-44fc-4572-b553-5e38d2c5d3bc  wireguard  wg0    
System eth0  5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03  ethernet   --     
ens3         4776df96-6212-4b3d-b341-7d08273c7039  ethernet   --