[  393.660583] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  393.673645] br0: port 1(c1) entered blocking state
[  393.673684] br0: port 1(c1) entered disabled state
[  393.673717] c1: entered allmulticast mode
[  393.673764] c1: entered promiscuous mode
[  393.687373] br0: port 2(c2) entered blocking state
[  393.687413] br0: port 2(c2) entered disabled state
[  393.687445] c2: entered allmulticast mode
[  393.687486] c2: entered promiscuous mode
[  393.699994] br0: port 3(c3) entered blocking state
[  393.700032] br0: port 3(c3) entered disabled state
[  393.700062] c3: entered allmulticast mode
[  393.700102] c3: entered promiscuous mode
[  393.712736] br0: port 4(sender) entered blocking state
[  393.712772] br0: port 4(sender) entered disabled state
[  393.712809] sender: entered allmulticast mode
[  393.712865] sender: entered promiscuous mode
[  393.717767] br0: port 4(sender) entered blocking state
[  393.717806] br0: port 4(sender) entered forwarding state
[  393.717840] br0: port 3(c3) entered blocking state
[  393.717876] br0: port 3(c3) entered forwarding state
[  393.717907] br0: port 2(c2) entered blocking state
[  393.717939] br0: port 2(c2) entered forwarding state
[  393.717965] br0: port 1(c1) entered blocking state
[  393.717993] br0: port 1(c1) entered forwarding state
[  393.725099] Bridge firewalling registered
[  404.409956] br0: port 1(c1) entered disabled state
[  404.410108] c1 (unregistering): left allmulticast mode
[  404.410144] c1 (unregistering): left promiscuous mode
[  404.410177] br0: port 1(c1) entered disabled state
[  404.427957] br0: port 2(c2) entered disabled state
[  404.428088] c2 (unregistering): left allmulticast mode
[  404.428121] c2 (unregistering): left promiscuous mode
[  404.428156] br0: port 2(c2) entered disabled state
[  404.446965] br0: port 4(sender) entered disabled state
[  404.447037] br0: port 3(c3) entered disabled state
[  404.447272] sender (unregistering): left allmulticast mode
[  404.447309] sender (unregistering): left promiscuous mode
[  404.447341] br0: port 4(sender) entered disabled state
[  404.447532] c3 (unregistering): left allmulticast mode
[  404.447567] c3 (unregistering): left promiscuous mode
[  404.447612] br0: port 3(c3) entered disabled state