nmcli device connect enp0s31f6
nmcli device status
nmcli connection show
nmcli con add type ethernet con-name "MyEthernet" ifname enp0s31f6
nmcli connection up MyEthernet
nmcli connection down MyEthernet
nmcli connection modify "UUID" IPv4.address 192.168.68.X nmcli connection modify "UUID" IPv4.method manual nmcli connection down "UUID" nmcli connection up "UUID"