Hidden "inernal" network interface for Network Configuration for New Instances in TrueNAS SCALE 25.04.1

Apps and Virtualization
1

Hello,
I’m a bit lost here with my VM.
Before and after the update from Fangtooth 25.04.0 to 25.4.1 it worked flawlessly.

I had to perform a manual restart of the VM. Now, it cannot reach the internet anymore.
It even shows an IP address that should not exist.

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image1569×275 118 KB

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image472×161 1.26 KB

Is that for some reason intended?
Even if I remove all NICs, I still VNC into the VM, how, if there is not any NIC?

2

Ignoring the UI for a second, you can see what devices incus added to it with incus config device show . This is a source of truth in the sense that this is the config incus is actually using. If that shows 2 nics, and UI shows 1, the UI is broken. The two nics you have in the 00:16:3e range are definitely virtual nics (xen, incus, etc). So i assume config device show will tell you that there are two nics in the config, and it will turn out to be a UI issue.

If they don’t show up in the incus config, then something inside the VM itself is creating them.

3

Hey @DannyB thx for giving me hand here :).

you run the Commmand in .../ui/system/shell?

So first How to manage instances - Incus documentation :

root@truenas[~]# incus list
+----------------+---------+------+------+-----------------+-----------+
|      NAME      |  STATE  | IPV4 | IPV6 |      TYPE       | SNAPSHOTS |
+----------------+---------+------+------+-----------------+-----------+
| desktop-DEBIAN | RUNNING |      |      | VIRTUAL-MACHINE | 0         |
+----------------+---------+------+------+-----------------+-----------+

to get the used instance name (which is the same as in the GUI, no internal naming, uuids etc. :slight_smile:
Than incus config device - Incus documentation :

root@truenas[~]# incus config device show desktop-DEBIAN
debian-12.10.0-amd64-netinst.iso:
  boot.priority: "1"
  io.bus: virtio-scsi
  pool: SSD_APPS
  source: debian-12.10.0-amd64-netinst.iso
  type: disk
eth0:
  nictype: macvlan
  parent: vlan8
  type: nic
root:
  io.bus: nvme
  path: /
  pool: SSD_APPS
  size: "16106127360"
  type: disk
root@truenas[~]#

I even the used NIC etc, that is great information.
Would love to see that in the GUI

4

There’s no IP address in either of the two screenshots you posted.