ip firewall mangle add action=mark-connection chain=prerouting content=info_hash new-connection-mark=torrents passthrough=yes
ip firewall mangle add action=mark-connection chain=prerouting content="BitTorrent protocol" new-connection-mark=torrents passthrough=yes
ip firewall mangle add action=mark-packet chain=prerouting connection-mark=torrents new-packet-mark=torrents passthrough=yes
queue simple add max-limit=8M/8M name=queue1 packet-marks=torrents