pbs upgrade to 4.0 broke ip ping, web gui, and SSH

Fine, "qm config" is okay. But that screenshot shows the problem: ens18 is DOWN - it should be "UP" of course. Everything inside the VM:

Examine the state more low level:
  • ethtool ens18 and post it

Reload the configuration from "interfaces":
  • ifreload -a

Restart the whole network stack:
  • systemctl restart networking.service

It is also possible to try to set "up" a NIC by a specific command:
  • ip link set ens18 up

After each step re-check "ip address show" if state changed. (No need to post each of them.)
 
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Thank you again for all the help. So the last command you listed: "ip link set ens18 up" actually did change the state to UP as shown and I could then see PBS listed in my Router again but I still was unable to ping it nor connect to it thru web interface. If I reboot the PBS VM the Link detected changes back to "no" and that ens18 state changes back to "DOWN" and it drops off my local network. I also see 2 errors when I reboot the PBS VM shown in the last photo below.

ethtool.pngStateUP.pngethtoolAfterReboot.png

2erors.jpg
 

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Okay. On the second screenshot you set "ip link up" and "ip addr show" did confirm success. Nevertheless the next screenshot lists "Link detected: no".

I am out. I have no idea what is wrong... :-(

The other two screenshots are storage related. I would not expect this to be network related.

I really hoped someone else would chime in with some fresh ideas...
 
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No worry's and thx again for all the help. Worst comes to worse I will just nuke and pave the PBS VM with the latest version.
 
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