On AWS, controllers had only a single interface.
On this deployment, I can also see juju list-machines -m controller:
Machine State DNS Inst id Series AZ Message 0 down IP_1 manual: xenial 1 down IP_2 manual:IP_2 xenial 2 down IP_3 manual:IP_3 xenial
Node 0 has no IP on "Inst id" field. AWS machines was also that way.
On AWS, controllers had only a single interface.
On this deployment, I can also see juju list-machines -m controller:
Machine State DNS Inst id Series AZ Message
0 down IP_1 manual: xenial
1 down IP_2 manual:IP_2 xenial
2 down IP_3 manual:IP_3 xenial
Node 0 has no IP on "Inst id" field.
AWS machines was also that way.