Some issues such as the following I don’t see to ever get resolved unless contributed. Quote Dev/VirtualBox - Whonix chapter Why use VirtualBox over KVM? in Whonix wiki
KVM disadvantages:
- Virtual network interfaces by KVM: Are visible on the host using tools such as “
sudo ifconfig”.
- KVM: This complicates leak tests because tshark / wireshark on the host can see connections between Whonix-Workstation ™ and Whonix-Gateway ™.
- KVM: Therefore also leak-testing using corridor on the host failed
.
- KVM: A useful host firewall and/or VPN fail closed mechanism (even if Freedom Software) can break Whonix-Workstation KVM network connectivity. References:
- KVM: host software such as for example NordVPN client kill-switch can break Whonix-Workstation KVM network connectivity.
- https://forums.whonix.org/t/failure-to-connect-when-vpn-on-host/3133[](https://web.archive.org/web/https://forums.whonix.org/t/failure-to-connect-when-vpn-on-host/3133)
- KVM: Undocumented how to use a host VPN (and therefore failing
](https://forums.whonix.org/t/failure-to-connect-when-vpn-on-host/3133%5B!%5B%5D(https://www.whonix.org/w/images/7/73/Internet_Archive_logo.png)){kind=link}