[Output Only] The current state of Interconnect functionality, which
can take one of the following values: - ACTIVE: The Interconnect is
valid, turned up and ready to use. Attachments may be provisioned on
this Interconnect. - UNPROVISIONED: The Interconnect has not
completed turnup. No attachments may be provisioned on this
Interconnect. - UNDER_MAINTENANCE: The Interconnect is undergoing
internal maintenance. No attachments may be provisioned or updated
on this Interconnect.