add 10gb network

I've added 10Gbe to my network and I would like to use it for backups. I use PBS in a container within a proxmox 8.4.1 box, and I've setup a separate bridge for each of the network interfaces. My 1Gbe vmbr0 is on 192.168.1.0/24 and the 10Gbe vmbr1 is on 192.168.16.0/20. Iperf3 is installed...