I have 3 nodes in my cluster, and am using OVSBridge setup.
This is a variation of :
https://pve.proxmox.com/wiki/Open_vSwitch#Example_4:_Rapid_Spanning_Tree_.28RSTP.29_-_1Gbps_uplink.2C_10Gbps_interconnect
I was able to get all nodes to sync and work, they can ping and I get very good...