Setup:
ProxMox node has a single NIC - 192.168.250.251
Able to access the GUI and SSH from the 192.168.250.x LAN
The node has a single VM (Ubuntu) which is accessible via ssh from the 192.168.250.x LAN
The VPN server is cloud-hosted and provides IPs to clients in the 172.28.x.x range
When...
