Comment 5 for bug 1675778

It looks like that IPv6 address was not created for DHCP-port for net1: see port-list in snapshot or below, then previously mentioned code was triggered.

| 798cefef-c4c1-482e-bbc0-acea52e6490d | | fa:16:3e:6c:da:20 | {"subnet_id": "869f4abf-c440-4b65-a9be-074776fadaf1", "ip_address": "192.168.100.2"} |