igmp-proxy interface status also looks good to me
user@fw-xxx0-0] > /routing igmp-proxy interface print status
Flags: X - disabled, I - inactive, D - dynamic; U - upstream
0 U interface=provider threshold=1 alternative-subnets=0.0.0.0/0 upstream=yes source-ip-address=77.109.xxx.xx
rx-bytes=0 rx-packets=0 tx-bytes=0 tx-packets=0
1 interface=vrrp90 threshold=2 alternative-subnets="" upstream=no querier=yes source-ip-address=172.16.90.1
rx-bytes=0 rx-packets=0 tx-bytes=0 tx-packets=0
2 interface=vrrp50 threshold=2 alternative-subnets="" upstream=no querier=yes source-ip-address=172.16.50.1
rx-bytes=0 rx-packets=0 tx-bytes=0 tx-packets=0