photon os 4.0 loses static ip after update 5-10 .61-5 .ph4-esx to 5.10.78-4.ph4-esx
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Description
Hello, today I have updated photon 0s 4 from version 5-10 .61-5 .ph4-esx, having three security notifications.
My MVs have two network adapters, eth0 with static ip and eth1 with dynamic ip. Running smoothly.
Prep
Post
Operational & securityinfo

Post update Networkctl status

Static IP configured and not modify

After installing the updates, the eth0 adapter does not have the ip that is configured manually, doing an ip or an ifconfig the adapter appears without IP.
If we do a networkctl, it tells me that the adapter is degraded and configuring.
Checking in other VMs without updating the status is routable and configured.
I can only get ip again using a DHCP for the eth0 adapter.
What has happened?
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the Photon OS 4 update from 5.10.61-5.ph4-esx to 5.10.78-4.ph4-esx on a VM with static eth0 and DHCP eth1. Compare networkctl status and the preserved network configuration before and after the update. Done means eth0 retains its configured static IP after updating, while the regression and its cause are documented.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- linux
- Domain
- networking, operating-systems
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100