networksetup -listnetworkserviceorder

networksetup -listnetworkserviceorder
An asterisk (*) denotes that a network service is disabled.
(1) Wi-Fi
(Hardware Port: Wi-Fi, Device: en0) 

(2) Thunderbolt Bridge
(Hardware Port: Thunderbolt Bridge, Device: bridge0)

networksetup -listnetworkserviceorder

An asterisk (*) denotes that a network service is disabled.
(1) USB2.0-Serial
(Hardware Port: USB2.0-Serial, Device: usbserial-14130)

(2) USB2.0-Serial 2
(Hardware Port: USB2.0-Serial, Device: usbserial-14230)

(3) USB <-> Serial Converter
(Hardware Port: USB <-> Serial Converter, Device: usbserial-FTENC0)

(4) USB <-> Serial Converter 2
(Hardware Port: USB <-> Serial Converter, Device: usbserial-FTENC1)

(5) Thunderbolt Ethernet Slot 1
(Hardware Port: Thunderbolt Ethernet Slot 1, Device: en7)

(6) USB 10/100/1000 LAN
(Hardware Port: USB 10/100/1000 LAN, Device: en8)

(7) Belkin USB-C LAN
(Hardware Port: Belkin USB-C LAN, Device: en9)

(8) Thunderbolt Ethernet Slot 2
(Hardware Port: Thunderbolt Ethernet Slot 1, Device: en11)

(9) Thunderbolt Ethernet Slot 3
(Hardware Port: Thunderbolt Ethernet Slot 1, Device: en12)

(10) USB 10/100 LAN
(Hardware Port: USB 10/100 LAN, Device: en13)

(11) Thunderbolt Ethernet Slot 4
(Hardware Port: Thunderbolt Ethernet Slot 1, Device: en16)

(12) Thunderbolt Ethernet Slot 5
(Hardware Port: Thunderbolt Ethernet Slot 1, Device: en17)

(13) Dell Universal Dock D6000
(Hardware Port: Dell Universal Dock D6000, Device: en18)

(14) Wi-Fi
(Hardware Port: Wi-Fi, Device: en0)

(15) iPhone USB
(Hardware Port: iPhone USB, Device: en10)

(16) Bluetooth PAN
(Hardware Port: Bluetooth PAN, Device: en6)

(17) Thunderbolt Bridge
(Hardware Port: Thunderbolt Bridge, Device: bridge0)

See also

• networksetup, networksetup -setdnsservers, networksetup -listallnetworkservices, networksetup -listnetworkserviceorder, -listallhardwareports