[Bug 1964979] [NEW] Jammy server installer unable to set IPv4 static nor switch back to DHCP

[Michael Lueck]

Public bug reported:

I found that the jammy-live-server-2022-03-10-amd64.iso is not able to
set up the NIC to use IPv4 Static, nor be switched back to DHCP once
Static addressing has been attempted.

I started an UbuntuForums thread here to seek confirmation if it sounded
like there was a defect, or if I was entering incorrect input.

Unable to select manual IPv4 during attempted installation of 22.04 Jammy
https://ubuntuforums.org/showthread.php?t=2472852

The settings I put in for Manual IPv4 are as follows:

Subnet: 10.10.10.0/24
Address: 10.10.10.9
Gateway: 10.10.10.1
Name server: 10.10.10.10

Pushing Save blanked out the name server field, and it never finishes
the "Applying changes" step.

We have a Class C IPv4 subnet. Addresses 10.10.10.1 through 10.10.10.254

I tried adjusting back to DHCP vs manual... now it also no longer picks
up an address from our DHCP server. The spinning "Applying changes"
attempting to test DHCP again.

** Affects: live-build (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1964979

Title:
  Jammy server installer unable to set IPv4 static nor switch back to
  DHCP

Status in live-build package in Ubuntu:
  New

Bug description:
  I found that the jammy-live-server-2022-03-10-amd64.iso is not able to
  set up the NIC to use IPv4 Static, nor be switched back to DHCP once
  Static addressing has been attempted.

  I started an UbuntuForums thread here to seek confirmation if it
  sounded like there was a defect, or if I was entering incorrect input.

  Unable to select manual IPv4 during attempted installation of 22.04 Jammy
  https://ubuntuforums.org/showthread.php?t=2472852

  The settings I put in for Manual IPv4 are as follows:

  Subnet: 10.10.10.0/24
  Address: 10.10.10.9
  Gateway: 10.10.10.1
  Name server: 10.10.10.10

  Pushing Save blanked out the name server field, and it never finishes
  the "Applying changes" step.

  We have a Class C IPv4 subnet. Addresses 10.10.10.1 through
  10.10.10.254

  I tried adjusting back to DHCP vs manual... now it also no longer
  picks up an address from our DHCP server. The spinning "Applying
  changes" attempting to test DHCP again.

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