n2.xlarge.x86 gives error "Strange 2-bond ports conf - bond0: layer3, bond1: layer2-bonded"

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When provisioning or updating a Packet provider v3.0.1 or older I receive the error message:

Strange 2-bond ports conf - bond0: layer3, bond1: layer2-bonded

This error is produced for most device_network_type type values.
Configuration with n2.xlarge.x86 devices (or any device with more than 2 network ports) are affected.

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A recent API change is incompatible with this older version of the Packet provider.

Please update to v3.2.1 or use the Metal provider (equinix/terraform-provider-metal#1).

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The specific API change that led to this:

• Previously, even though no IPs were assigned to bond1, both bond0 and bond1 would (incorrectly) report as layer3.
• Now, bond0 reports as layer3, while bond1 (correctly) reports as layer2-bonded.

The old network type detection (included in v3.0.1 and older of this provider) was not prepared for this change. Those versions error out on unexpected input.

equinixmetal-archive/packngo#185 introduced improvements to better handle 4 port devices. This was incorporated in v3.1.0 of this provider.