[  400.648924] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  400.663249] br0: port 1(c1) entered blocking state
[  400.663291] br0: port 1(c1) entered disabled state
[  400.663325] c1: entered allmulticast mode
[  400.663372] c1: entered promiscuous mode
[  400.675830] br0: port 2(c2) entered blocking state
[  400.675867] br0: port 2(c2) entered disabled state
[  400.675906] c2: entered allmulticast mode
[  400.675949] c2: entered promiscuous mode
[  400.688331] br0: port 3(c3) entered blocking state
[  400.688402] br0: port 3(c3) entered disabled state
[  400.688467] c3: entered allmulticast mode
[  400.688542] c3: entered promiscuous mode
[  400.700993] br0: port 4(sender) entered blocking state
[  400.701057] br0: port 4(sender) entered disabled state
[  400.701121] sender: entered allmulticast mode
[  400.701205] sender: entered promiscuous mode
[  400.706091] br0: port 4(sender) entered blocking state
[  400.706153] br0: port 4(sender) entered forwarding state
[  400.706217] br0: port 3(c3) entered blocking state
[  400.706278] br0: port 3(c3) entered forwarding state
[  400.706341] br0: port 2(c2) entered blocking state
[  400.706401] br0: port 2(c2) entered forwarding state
[  400.706465] br0: port 1(c1) entered blocking state
[  400.706526] br0: port 1(c1) entered forwarding state
[  400.713530] Bridge firewalling registered
[  411.377010] br0: port 1(c1) entered disabled state
[  411.377176] c1 (unregistering): left allmulticast mode
[  411.377211] c1 (unregistering): left promiscuous mode
[  411.377240] br0: port 1(c1) entered disabled state
[  411.398948] br0: port 2(c2) entered disabled state
[  411.399094] c2 (unregistering): left allmulticast mode
[  411.399139] c2 (unregistering): left promiscuous mode
[  411.399165] br0: port 2(c2) entered disabled state
[  411.424968] br0: port 4(sender) entered disabled state
[  411.425054] br0: port 3(c3) entered disabled state
[  411.425164] sender (unregistering): left allmulticast mode
[  411.425194] sender (unregistering): left promiscuous mode
[  411.425224] br0: port 4(sender) entered disabled state
[  411.425420] c3 (unregistering): left allmulticast mode
[  411.425450] c3 (unregistering): left promiscuous mode
[  411.425479] br0: port 3(c3) entered disabled state