O que há de errado nas configurações abaixo:

Estou utilizando a configuração abaixo para um load balance, o problema é que tudo está saindo pela WAN1 deixando as outras interfaces paradas, se eu desabilito a WAN1 automaticamente passa para a WAN2, porem continua sem fazer o balanceamento.

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IP DOS MODENS
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modem 01 = 192.168.11.1
modem 02 = 192.168.21.1
modem 03 = 192.168.31.1
modem 04 = 192.168.41.1
modem 05 = 192.168.51.1
modem 06 = 192.168.61.1
modem 07 = 192.168.71.1

Ips MIKROTIK:
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/ip address
add address=10.0.0.1/24 disabled=no interface=Local network=10.0.0.0
add address=192.168.11.254/24 disabled=no interface=WAN1 network=192.168.11.0
add address=192.168.21.254/24 disabled=no interface=WAN2 network=192.168.21.0
add address=192.168.31.254/24 disabled=no interface=WAN3 network=192.168.31.0
add address=192.168.41.254/24 disabled=no interface=WAN4 network=192.168.41.0
add address=192.168.51.254/24 disabled=no interface=WAN5 network=192.168.51.0
add address=192.168.61.254/24 disabled=no interface=WAN6 network=192.168.61.0
add address=192.168.71.254/24 disabled=no interface=WAN7 network=192.168.71.0

Rotas
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/ip route
add check-gateway=ping disabled=no distance=1 dst-address=0.0.0.0/0 gateway=192.168.11.1 scope=30 target-scope=10
add check-gateway=ping disabled=no distance=2 dst-address=0.0.0.0/0 gateway=192.168.21.1 scope=30 target-scope=10
add check-gateway=ping disabled=no distance=3 dst-address=0.0.0.0/0 gateway=192.168.31.1 scope=30 target-scope=10
add check-gateway=ping disabled=no distance=4 dst-address=0.0.0.0/0 gateway=192.168.41.1 scope=30 target-scope=10
add check-gateway=ping disabled=no distance=5 dst-address=0.0.0.0/0 gateway=192.168.51.1 scope=30 target-scope=10
add check-gateway=ping disabled=no distance=6 dst-address=0.0.0.0/0 gateway=192.168.61.1 scope=30 target-scope=10
add check-gateway=ping disabled=no distance=7 dst-address=0.0.0.0/0 gateway=192.168.71.1 scope=30 target-scope=10

add check-gateway=ping disabled=no distance=1 dst-address=0.0.0.0/0 gateway=192.168.11.1 routing-mark=to_WAN1 scope=30 target-scope=10
add check-gateway=ping disabled=no distance=1 dst-address=0.0.0.0/0 gateway=192.168.21.1 routing-mark=to_WAN2 scope=30 target-scope=10
add check-gateway=ping disabled=no distance=1 dst-address=0.0.0.0/0 gateway=192.168.31.1 routing-mark=to_WAN3 scope=30 target-scope=10
add check-gateway=ping disabled=no distance=1 dst-address=0.0.0.0/0 gateway=192.168.41.1 routing-mark=to_WAN4 scope=30 target-scope=10
add check-gateway=ping disabled=no distance=1 dst-address=0.0.0.0/0 gateway=192.168.51.1 routing-mark=to_WAN5 scope=30 target-scope=10
add check-gateway=ping disabled=no distance=1 dst-address=0.0.0.0/0 gateway=192.168.61.1 routing-mark=to_WAN6 scope=30 target-scope=10
add check-gateway=ping disabled=no distance=1 dst-address=0.0.0.0/0 gateway=192.168.71.1 routing-mark=to_WAN7 scope=30 target-scope=10

Mascaramento
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/ip firewall nat
add action=masquerade chain=srcnat comment="MASK WAN1" disabled=no out-interface=WAN1
add action=masquerade chain=srcnat comment="MASK WAN2" disabled=no out-interface=WAN2
add action=masquerade chain=srcnat comment="MASK WAN3" disabled=no out-interface=WAN3
add action=masquerade chain=srcnat comment="MASK WAN4" disabled=no out-interface=WAN4
add action=masquerade chain=srcnat comment="MASK WAN5" disabled=no out-interface=WAN5
add action=masquerade chain=srcnat comment="MASK WAN6" disabled=no out-interface=WAN6
add action=masquerade chain=srcnat comment="MASK WAN7" disabled=no out-interface=WAN7

Regras Balanceamento
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/ip firewall mangle
add action=accept chain=output comment="Sem Balance" disabled=no dst-address-list=SemBalance

add action=mark-connection chain=input disabled=no in-interface=WAN1 new-connection-mark=WAN1_conn passthrough=yes
add action=mark-connection chain=input disabled=no in-interface=WAN2 new-connection-mark=WAN2_conn passthrough=yes
add action=mark-connection chain=input disabled=no in-interface=WAN3 new-connection-mark=WAN3_conn passthrough=yes
add action=mark-connection chain=input disabled=no in-interface=WAN4 new-connection-mark=WAN4_conn passthrough=yes
add action=mark-connection chain=input disabled=no in-interface=WAN5 new-connection-mark=WAN5_conn passthrough=yes
add action=mark-connection chain=input disabled=no in-interface=WAN6 new-connection-mark=WAN6_conn passthrough=yes
add action=mark-connection chain=input disabled=no in-interface=WAN7 new-connection-mark=WAN7_conn passthrough=yes

add action=mark-routing chain=output connection-mark=WAN1_conn disabled=no new-routing-mark=to_WAN1 passthrough=yes
add action=mark-routing chain=output connection-mark=WAN2_conn disabled=no new-routing-mark=to_WAN2 passthrough=yes
add action=mark-routing chain=output connection-mark=WAN3_conn disabled=no new-routing-mark=to_WAN3 passthrough=yes
add action=mark-routing chain=output connection-mark=WAN4_conn disabled=no new-routing-mark=to_WAN4 passthrough=yes
add action=mark-routing chain=output connection-mark=WAN5_conn disabled=no new-routing-mark=to_WAN5 passthrough=yes
add action=mark-routing chain=output connection-mark=WAN6_conn disabled=no new-routing-mark=to_WAN6 passthrough=yes
add action=mark-routing chain=output connection-mark=WAN7_conn disabled=no new-routing-mark=to_WAN7 passthrough=yes

add action=accept chain=prerouting disabled=no dst-address=192.168.11.0/24 in-interface=Local
add action=accept chain=prerouting disabled=no dst-address=192.168.21.0/24 in-interface=Local
add action=accept chain=prerouting disabled=no dst-address=192.168.31.0/24 in-interface=Local
add action=accept chain=prerouting disabled=no dst-address=192.168.41.0/24 in-interface=Local
add action=accept chain=prerouting disabled=no dst-address=192.168.51.0/24 in-interface=Local
add action=accept chain=prerouting disabled=no dst-address=192.168.61.0/24 in-interface=Local
add action=accept chain=prerouting disabled=no dst-address=192.168.71.0/24 in-interface=Local

add action=mark-connection chain=prerouting comment=WAN1 disabled=no dst-address-type=!local in-interface=Local new-connection-mark=WAN1_conn passthrough=yes per-connection-classifier=both-addresses-and-ports:7/0
add action=mark-connection chain=prerouting comment=WAN2 disabled=no dst-address-type=!local in-interface=Local new-connection-mark=WAN2_conn passthrough=yes per-connection-classifier=both-addresses-and-ports:7/1
add action=mark-connection chain=prerouting comment=WAN3 disabled=no dst-address-type=!local in-interface=Local new-connection-mark=WAN3_conn passthrough=yes per-connection-classifier=both-addresses-and-ports:7/2
add action=mark-connection chain=prerouting comment=WAN4 disabled=no dst-address-type=!local in-interface=Local new-connection-mark=WAN4_conn passthrough=yes per-connection-classifier=both-addresses-and-ports:7/3
add action=mark-connection chain=prerouting comment=WAN5 disabled=no dst-address-type=!local in-interface=Local new-connection-mark=WAN5_conn passthrough=yes per-connection-classifier=both-addresses-and-ports:7/4
add action=mark-connection chain=prerouting comment=WAN6 disabled=no dst-address-type=!local in-interface=Local new-connection-mark=WAN6_conn passthrough=yes per-connection-classifier=both-addresses-and-ports:7/5
add action=mark-connection chain=prerouting comment=WAN7 disabled=no dst-address-type=!local in-interface=Local new-connection-mark=WAN7_conn passthrough=yes per-connection-classifier=both-addresses-and-ports:7/6