Here the results from 0.5 vs 0.6

It is not meant to boot through, just to find transfer and load something on 
netboot.
I think the behavior try-net-boot vs giving-up is different and should 
represent the reported issue.


# Good case:

>>Start PXE over IPv4.
  Station IP address is 10.0.2.15

  Server IP address is 10.0.2.2
  NBP filename is kernel.efi
  NBP filesize is 15014280 Bytes
 Downloading NBP file...

  NBP file downloaded successfully.
BdsDxe: loading Boot0001 "UEFI PXEv4 (MAC:525400123456)" from 
PciRoot(0x0)/Pci(0x3,0x0)/MAC(525400123456,0x1)/IPv4(0.0.0.0,0x0,DHCP,0.0.0.0,0.0.0.0,0.0.0.0)
BdsDxe: starting Boot0001 "UEFI PXEv4 (MAC:525400123456)" from 
PciRoot(0x0)/Pci(0x3,0x0)/MAC(525400123456,0x1)/IPv4(0.0.0.0,0x0,DHCP,0.0.0.0,0.0.0.0,0.0.0.0)


# Bad Case:

UEFI Interactive Shell v2.2
EDK II
UEFI v2.70 (Ubuntu distribution of EDK II, 0x00010000)
Mapping table
     BLK0: Alias(s):
          PciRoot(0x0)/Pci(0x1,0x1)/Ata(0x0)
Press ESC in 3 seconds to skip startup.nsh or any other key to continue.


It is not that in the bad case it would not see the device at all, when
it failed to net-boot you can go "exit" then "device menu" and then
network devices. And you can see the virtio-net like

   Name                       iPXE                       Firmware product name  
   Version                    1.21.1+git-20220113.fbbdc3                        
                              926-0ubuntu2                                      
   Driver                     virtio-net                                        
   Device                     0000:00:03.0                                      
   MTU                        _                                                 
   Default gateway            _

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https://bugs.launchpad.net/bugs/2133157

Title:
  ovmf 2024.02-2ubuntu0.6 broke UEFI network boot for VMs

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