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c26cadeb6a
parent bridge interface. This allows us to correctly match which bridge the packet comes through in configurations using wildcard bridge port interfaces. For example, when br0 and br1 have "vnet+" bridge port interface, iptables can still correctly match which bridge the packet went through using "-o br0" or "-o br1" clause. This can be useful in installations with many bridged interfaces that get created and destroyed dynamically, e.g. with virtual machines. Note that the "-i br0" / "-o br0" clause is only added when there is more than one bridge interface and bridge port name ends with a wild card symbol "+"