Update Proxmox/ThunderboltNetwork.md

Proxmox/ThunderboltNetwork.md

@@ -119,6 +119,19 @@ sed -i "s/fabricd=no/fabricd=yes/" /etc/frr/daemons
 systemctl restart frr
 ```
 
+Make sure interface is coming up!
+```python
+tee -a /etc/network/if-up.d/restart-frr <<EOF
+#!/bin/sh
+
+# Check if the interface is either en05 or en06
+if [ "$IFACE" = "en05" ] || [ "$IFACE" = "en06" ]; then
+    # Restart the frr service
+    /usr/bin/systemctl restart frr.service
+fi
+EOF
+```
+
 Open VTYSH CLI.
 ```python
 vtysh