8 roles: [network,control]
12 mac: ["00:1e:67:d8:ba:46"]
15 mac_address: 00:1e:67:d8:ba:46
18 roles: [compute,control,storage]
22 mac: ["00:1e:67:e0:0b:72"]
25 mac_address: 00:1e:67:e0:0b:72
26 floating-ip-range: 192.168.10.6,192.168.10.49,192.168.10.1,192.168.10.0/24
27 ext-port: "90:E2:BA:83:FD:21,90:E2:BA:75:30:F5"