Problematic Proxmox simple SDN LAN towards OPNSense

Hi to all,

I'm currently, having issues with my OPNSense installation on Proxmox. I have VM and OPNSense installed in Proxmox. I used Proxmox SDN simple Lan config to connect to interconnect both the VM and OPNSense

VM<==Simple SDN LAN==>OPNsense(NAT)<===>PCIEbypass<==>Internet

The issue i'm facing right now is that, whenever the VM is restarted, it always loose its connection to the Internet. The Internet connection won't get back but have ping on the direct interface(gw) ip of OPNsense...

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