[Bug 2022030] Re: vlan network device lost after the ubuntu 23.04 install complete

[Danilo Egea Gondolfo]

Hi there,

Thank you for the log files.

You configuration looks fine.

This line from your systemd-networkd journal is suspicious though:

----
Jun 13 06:59:19 a90ubut15 systemd-networkd[980]: enc1000: Could not create stacked netdev: No such device
----

Apparently, when this error doesn't pop up, your vlan is created. It
smells like a race in systemd or something like that.

Can you enable the debug logs and attach to the ticket, please?

Create the file /etc/systemd/system/systemd-
networkd.service.d/override.conf with this content:

[Service]
Environment=SYSTEMD_LOG_LEVEL=debug

and reboot your system. Then collect the systemd-networkd journal again
and attach to the ticket.

Thank you!

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Title:
  vlan network device lost after the ubuntu 23.04 install complete

Status in Ubuntu on IBM z Systems:
  Incomplete
Status in netplan.io package in Ubuntu:
  New
Status in subiquity package in Ubuntu:
  New

Bug description:
  ubuntu at ibm:~$ cat /etc/os-release                                               
  PRETTY_NAME="Ubuntu 23.04"                                                      
  NAME="Ubuntu"                                                                   
  VERSION_ID="23.04"                                                              
  VERSION="23.04 (Lunar Lobster)"

  System hardware: IBM LinuxONE

  Details:
  During the installation, I set up and actived a vlan device, after the installation, when I login the OS, the vlan device disappeared, I opened the '/etc/netplan/00-installer-config.yaml', double checked the config file, the vlan1300 is existing, and then when I 'netplan apply' to perform the configuration, an error message shows up, 

  "[?2004hubuntu at ibm:~$ 
  "sudo netplan apply
  "[?2004l
  "Cannot call openvswitch: ovsdb-server.service is not running.

  And during the boot stage, the systemd-networkd-wait-online.se tart
  running message shows a lot in the log, not sure these are related.

  "M[K[    [0;31m*[0;1;31m*[0m] Job systemd-networkd-wait-online.se  tart running (1min 11s / no limit)
  "
  "M[K[     [0;31m*[0m] Job systemd-networkd-wait-online.se  tart running (1min 12s / no limit)
  "
  "M[K[    [0;31m*[0;1;31m*[0m] Job systemd-networkd-wait-online.se  tart running (1min 12s / no limit)
  "
  "M[K[   [0;31m*[0;1;31m*[0m[0;31m*[0m] Job systemd-networkd-wait-online.se  tart running (1min 13s / no limit)
  "
  "M[K[  [0;31m*[0;1;31m*[0m[0;31m* [0m] Job systemd-networkd-wait-online.se  tart running (1min 13s / no limit)
  "
  "M[K[ [0;31m*[0;1;31m*[0m[0;31m*  [0m] Job systemd-networkd-wait-online.se  tart running (1min 14s / no limit)
  "
  "M[K[[0;31m*[0;1;31m*[0m[0;31m*   [0m] Job systemd-networkd-wait-online.se  tart running (1min 14s / no limit)
  "
  "M[K[[0;1;31m*[0m[0;31m*    [0m] Job systemd-networkd-wait-online.se  tart running (1min 15s / no limit)

  Attached the operating system boot log.

  Thanks.

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