MT3.6;Firewal: I’d like to mangle a trafic on every interface in bridge, separate , I can’t do this 
another operations in firewall don’t work too
I can do any operation only on bridge, but not on every interface separatly, Can you explain me this problem?
You have to set to enable ip firewall on bridge
/interface bridge settings
set use-ip-firewall=yes
set use-ip-firewall-for-vlan=yes