#[~] networksetup -listallhardwareports
[~] networksetup -listallhardwareports
Hardware Port: USB 10/100 LAN Device: en6 Ethernet Address: 00:e0:4c:36:04:9d
Hardware Port: Wi-Fi Device: en0 Ethernet Address: a0:99:9b:1c:a9:9b
Hardware Port: Bluetooth PAN Device: en3 Ethernet Address: a0:99:9b:1c:a9:9c
Hardware Port: Thunderbolt 1 Device: en1 Ethernet Address: 82:17:02:c0:6c:00
Hardware Port: Thunderbolt 2 Device: en2 Ethernet Address: 82:17:02:c0:6c:01
Hardware Port: Thunderbolt Bridge Device: bridge0 Ethernet Address: 82:17:02:c0:6c:00