[  422.243381] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  422.259088] br0: port 1(c1) entered blocking state
[  422.259136] br0: port 1(c1) entered disabled state
[  422.259170] c1: entered allmulticast mode
[  422.259215] c1: entered promiscuous mode
[  422.273314] br0: port 2(c2) entered blocking state
[  422.273354] br0: port 2(c2) entered disabled state
[  422.273392] c2: entered allmulticast mode
[  422.273443] c2: entered promiscuous mode
[  422.287343] br0: port 3(c3) entered blocking state
[  422.287377] br0: port 3(c3) entered disabled state
[  422.287412] c3: entered allmulticast mode
[  422.287461] c3: entered promiscuous mode
[  422.301413] br0: port 4(sender) entered blocking state
[  422.301445] br0: port 4(sender) entered disabled state
[  422.301479] sender: entered allmulticast mode
[  422.301532] sender: entered promiscuous mode
[  422.307002] br0: port 4(sender) entered blocking state
[  422.307034] br0: port 4(sender) entered forwarding state
[  422.307069] br0: port 3(c3) entered blocking state
[  422.307094] br0: port 3(c3) entered forwarding state
[  422.307127] br0: port 2(c2) entered blocking state
[  422.307156] br0: port 2(c2) entered forwarding state
[  422.307188] br0: port 1(c1) entered blocking state
[  422.307215] br0: port 1(c1) entered forwarding state
[  422.313655] Bridge firewalling registered
[  432.977776] br0: port 1(c1) entered disabled state
[  432.978054] c1 (unregistering): left allmulticast mode
[  432.978148] c1 (unregistering): left promiscuous mode
[  432.978241] br0: port 1(c1) entered disabled state
[  433.002765] br0: port 3(c3) entered disabled state
[  433.002894] br0: port 2(c2) entered disabled state
[  433.003107] c3 (unregistering): left allmulticast mode
[  433.003180] c3 (unregistering): left promiscuous mode
[  433.003245] br0: port 3(c3) entered disabled state
[  433.003587] c2 (unregistering): left allmulticast mode
[  433.003654] c2 (unregistering): left promiscuous mode
[  433.003720] br0: port 2(c2) entered disabled state
[  433.038767] sender: left allmulticast mode
[  433.038852] sender: left promiscuous mode
[  433.038917] br0: port 4(sender) entered disabled state