iptables -A FJ-vnet0 -p udp -m mac --mac-source 01:02:03:04:05:06 \
--destination 10.1.2.3/32 -m dscp --dscp 2 -m state --state NEW,ESTABLISHED -j RETURN
iptables -A FP-vnet0 -p udp --source 10.1.2.3/32 -m dscp --dscp 2 -m state \
--state ESTABLISHED -j ACCEPT
iptables -A HJ-vnet0 -p udp -m mac --mac-source 01:02:03:04:05:06 \
--destination 10.1.2.3/32 -m dscp --dscp 2 -m state --state NEW,ESTABLISHED -j RETURN
iptables -A FJ-vnet0 -p udp --destination 10.1.2.3/32 -m dscp --dscp 33 \
--dport 20:21 --sport 100:1111 -m state --state ESTABLISHED -j RETURN
iptables -A FP-vnet0 -p udp -m mac --mac-source 01:02:03:04:05:06 \
--source 10.1.2.3/32 -m dscp --dscp 33 --sport 20:21 --dport 100:1111 -m state \
--state NEW,ESTABLISHED -j ACCEPT
iptables -A HJ-vnet0 -p udp --destination 10.1.2.3/32 -m dscp --dscp 33 \
--dport 20:21 --sport 100:1111 -m state --state ESTABLISHED -j RETURN
iptables -A FJ-vnet0 -p udp --destination 10.1.2.3/32 -m dscp --dscp 63 \
--dport 255:256 --sport 65535:65535 -m state --state ESTABLISHED -j RETURN
iptables -A FP-vnet0 -p udp -m mac --mac-source 01:02:03:04:05:06 \
--source 10.1.2.3/32 -m dscp --dscp 63 --sport 255:256 --dport 65535:65535 -m state \
--state NEW,ESTABLISHED -j ACCEPT
iptables -A HJ-vnet0 -p udp --destination 10.1.2.3/32 -m dscp --dscp 63 \
--dport 255:256 --sport 65535:65535 -m state --state ESTABLISHED -j RETURN