feat(cloud-instances): enable IPv6 forwarding on eth0 for AWS and Azure

[jaxxstorm]

🚀 This description was created by Ellipsis for commit fa7022b

Summary:

This PR updates IPv6 forwarding to all interfaces and modifies userdata.tmpl files for AWS and Azure instances.

Key points:

• Enable IPv6 forwarding on all interfaces for both AWS and Azure instances.
• Update userdata.tmpl files for AWS and Azure to include the new sysctl command.
• Applied in /provider/pkg/provider/aws/userdata.tmpl and /provider/pkg/provider/azure/userdata.tmpl.

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[ellipsis-dev]

❌ Changes requested. Reviewed everything up to cb86ec0 in 1 minute and 22 seconds

More details

• Looked at 26 lines of code in 2 files
• Skipped 0 files when reviewing.
• Skipped posting 1 drafted comments based on config settings.

1. provider/pkg/provider/aws/userdata.tmpl:11

• Draft comment:
  The command sudo sysctl -w net.ipv6.conf.eth0.forwarding=1 assumes the presence of the eth0 interface. This might not be the case, especially in environments with different interface names or configurations. Consider verifying the interface name dynamically or ensuring that eth0 is the correct interface for IPv6 forwarding.
• Reason this comment was not posted:
  Confidence of 0% on close inspection, compared to threshold of 50%.

Workflow ID: wflow_vsLd6pAaseqLfcQJ

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[ellipsis-dev]

❌ Changes requested. Incremental review on fa7022b in 1 minute and 38 seconds

More details

• Looked at 27 lines of code in 2 files
• Skipped 0 files when reviewing.
• Skipped posting 0 drafted comments based on config settings.

Workflow ID: wflow_v7nwMBWa0a9BsTZ0

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