Yes, this is a dogs breakfaST of a config, surprized much works, before tackling wireguard must read this and apply: http://forum.mikrotik.com/t/using-routeros-to-vlan-your-network/126489/1
One bridge, all subnets expressed as vlans!! ( and where in the heck did you conjure up this non-existent interface interface=wlan_11_upper ???