Help with dual WAN on a dual bridge configuration

/interface bridge 
add name=bridge1

/interface bridge portadd bridge=bridge1 interface=ether1 pvid=10
add bridge=bridge1 interface=ether2 pvid=11
add bridge=bridge1 interface=ether3 pvid=1
add bridge=bridge1 interface=ether4 pvid=1
add bridge=bridge1 interface=wlan1 pvid=1
add bridge=bridge1 interface=ether5 pvid=2
add bridge=bridge1 interface=wlan2 pvid=2

/interface bridge vlan
add bridge=bridge1 tagged=bridge1 vlan-ids=1
add bridge=bridge1 tagged=bridge1 vlan-ids=2
add bridge=bridge1 tagged=bridge1 vlan-ids=10
add bridge=bridge1 tagged=bridge1 vlan-ids=11 

/interface vlan add name="VLAN 1 - LAN 1” vlan-id=1 interface=bridge1 disabled=no
add name="VLAN 2 - LAN 2” vlan-id=2 interface=bridge1 disabled=no
add name="VLAN 10 - WAN 1" vlan-id=1 interface=bridge1 disabled=no
add name="VLAN 11 - WAN 2” vlan-id=2 interface=bridge1 disabled=no/ip address
Add address=192.168.88.1/24 interface="VLAN 1 - LAN 1”
Add address=192.168.100.1/24 interface="VLAN 2 - LAN 2”

/ip dhcp-client 
add interface="VLAN 1 - LAN 1” disabled=no
add interface="VLAN 2 - LAN 2” disabled=no

/ip pool
Add name=LAN1 ranges=192.168.88.100-192.168.88.254
Add name=LAN2 ranges=192.168.100.100-192.168.100.254
/ip dhcp-server
Add address-pool=LAN1 disabled=no interface=bridge1 name=LAN1
Add address-pool=LAN2 disabled=no interface=bridge1 name=LAN2

/ip dhcp-server network
add address=192.168.88.0/24 gateway=192.168.88.1
add address=192.168.100.0/24 gateway=192.168.100.1
/interface bridge set bridge1 vlan-filtering=yes
/ip firewall filteradd chain=input connection-state=invalid action=drop
add action=accept chain=forward connection-state=established,related
add chain=input protocol=icmp action=accept comment="Allow ICMP" 
add chain=input src-address=192.168.88.0/24 action=accept in-interface="VLAN 1 - LAN 1”add chain=input src-address=192.168.100.0/24 action=accept in-interface="VLAN 2 - LAN 2”
add chain=forward src-address=192.168.88.0/24 action=accept in-interface="VLAN 1 - LAN 1”  out-interface="VLAN 10 - WAN 1"
add chain=forward src-address=192.168.100.0/24 action=accept in-interface="VLAN 2 - LAN 2” out-interface="VLAN 10 - WAN 1"
add chain=input action=drop connection-nat-state=!dst-nat

/ip firewall nat 
add chain=srcnat action=masquerade src-address=192.168.88.0/24 out-interface=VLAN 10 - WAN 1"/ip firewall nat 
add chain=srcnat action=masquerade src-address=192.168.100.0/24 out-interface=VLAN 11 - WAN 2”
/r/mikrotik Thread