Comment 6 for bug 1671891

Data from triage:

ubuntu@maas2-integration-daily:~$ maas jason machine deploy 4y3hfg
{"gateway_link_ipv4": ["Static IP Address instance with id 250123 does not exist."]}
ubuntu@maas2-integration-daily:~$ maas jason interfaces read 4y3hfg | jq '.[] | {id:.id, name:.name, mac:.mac_address, vid:.vlan.vid, fabric:.vlan.fabric, links:.links[] |{id: .id, ip:.ip_address, mode:.mode, subnet:.subnet.cidr}}' --compact-output
{"id":490,"name":"rename8","mac":"00:22:99:e0:06:04","vid":0,"fabric":"fabric-0","links":{"id":249934,"ip":null,"mode":"link_up","subnet":null}}
{"id":488,"name":"rename6","mac":"00:22:99:e0:06:02","vid":0,"fabric":"fabric-0","links":{"id":249935,"ip":null,"mode":"link_up","subnet":null}}
{"id":486,"name":"rename4","mac":"00:22:99:e0:06:00","vid":0,"fabric":"fabric-0","links":{"id":249936,"ip":null,"mode":"link_up","subnet":null}}
{"id":489,"name":"rename7","mac":"00:22:99:e0:06:03","vid":0,"fabric":"fabric-0","links":{"id":249937,"ip":null,"mode":"link_up","subnet":null}}
{"id":487,"name":"rename5","mac":"00:22:99:e0:06:01","vid":0,"fabric":"fabric-0","links":{"id":249938,"ip":null,"mode":"link_up","subnet":null}}
{"id":491,"name":"rename9","mac":"00:22:99:e0:06:05","vid":0,"fabric":"fabric-0","links":{"id":249939,"ip":null,"mode":"link_up","subnet":null}}
{"id":493,"name":"eth0","mac":"00:22:99:e0:06:07","vid":0,"fabric":"fabric-0","links":{"id":250123,"ip":null,"mode":"auto","subnet":"10.244.192.0/18"}}
{"id":492,"name":"eth1","mac":"00:22:99:e0:06:06","vid":0,"fabric":"fabric-2","links":{"id":249940,"ip":null,"mode":"link_up","subnet":null}}