Comment 13 for bug 1610784

Verified with below network_data.json, no errors found out in cloud-init log.

{"services": [{"type": "dns", "address": "10.0.8.1"}], "networks": [{"network_id": "bd024b7d-a246-453c-8e72-7216d9539bae", "link": "taped13e7a8-06", "type": "ipv4_dhcp", "id": "network0"}], "links": [{"ethernet_mac_address": "fa:16:3e:6a:52:32", "mtu": 1458, "type": "tap", "id": "taped13e7a8-06", "vif_id": "ed13e7a8-065f-47a6-b068-2811abe91dd2"}]}