1. You should create your bridge configuration with vlan. For example:
name: vmbr61
type: Linux Bridge
vlan.aware: no
bridge: eno1.61
ipv4: x.x.x.x/x
eno1 is your server's network interface with vlan.
2. I can't advise you on this openvswitch config. I'm sorry
3. vmbr0 is your default network...