Ixgbe: allow unsupported transceivers?

vyos@vyos:~$ show version
Version:          VyOS 2025.10.01-0021-rolling
Release train:    current
Release flavor:   generic

Built by:         autobuild@vyos.net
Built on:         Wed 01 Oct 2025 00:21 UTC
Build UUID:       7451bb1a-5e01-44bb-bc29-3db322e06e56
Build commit ID:  3f36fe9466ddbb

Architecture:     x86_64
Boot via:         installed image
System type:      Unknown hypervisor guest
Secure Boot:      disabled

Hardware vendor:  QEMU
Hardware model:   Standard PC (Q35 + ICH9, 2009)
Hardware S/N:     
Hardware UUID:    37a7f090-e0d9-4add-af7b-c3b19b2be165

Copyright:        VyOS maintainers and contributors

FYI, the interfaces are PCIe forwarded (so “real” interfaces)