[  407.692135] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  407.707693] br0: port 1(c1) entered blocking state
[  407.707746] br0: port 1(c1) entered disabled state
[  407.707784] c1: entered allmulticast mode
[  407.707831] c1: entered promiscuous mode
[  407.721196] br0: port 2(c2) entered blocking state
[  407.721241] br0: port 2(c2) entered disabled state
[  407.721274] c2: entered allmulticast mode
[  407.721313] c2: entered promiscuous mode
[  407.734645] br0: port 3(c3) entered blocking state
[  407.734685] br0: port 3(c3) entered disabled state
[  407.734715] c3: entered allmulticast mode
[  407.734755] c3: entered promiscuous mode
[  407.748046] br0: port 4(sender) entered blocking state
[  407.748082] br0: port 4(sender) entered disabled state
[  407.748113] sender: entered allmulticast mode
[  407.748165] sender: entered promiscuous mode
[  407.753327] br0: port 4(sender) entered blocking state
[  407.753364] br0: port 4(sender) entered forwarding state
[  407.753398] br0: port 3(c3) entered blocking state
[  407.753427] br0: port 3(c3) entered forwarding state
[  407.753462] br0: port 2(c2) entered blocking state
[  407.753491] br0: port 2(c2) entered forwarding state
[  407.753523] br0: port 1(c1) entered blocking state
[  407.753560] br0: port 1(c1) entered forwarding state
[  407.760923] Bridge firewalling registered
[  418.387980] br0: port 1(c1) entered disabled state
[  418.388242] c1 (unregistering): left allmulticast mode
[  418.388323] c1 (unregistering): left promiscuous mode
[  418.388403] br0: port 1(c1) entered disabled state
[  418.412958] br0: port 2(c2) entered disabled state
[  418.413213] c2 (unregistering): left allmulticast mode
[  418.413299] c2 (unregistering): left promiscuous mode
[  418.413374] br0: port 2(c2) entered disabled state
[  418.441936] br0: port 4(sender) entered disabled state
[  418.442120] br0: port 3(c3) entered disabled state
[  418.442358] sender (unregistering): left allmulticast mode
[  418.442426] sender (unregistering): left promiscuous mode
[  418.442491] br0: port 4(sender) entered disabled state
[  418.442880] c3 (unregistering): left allmulticast mode
[  418.442944] c3 (unregistering): left promiscuous mode
[  418.443049] br0: port 3(c3) entered disabled state