[  416.109543] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  416.124775] br0: port 1(c1) entered blocking state
[  416.124842] br0: port 1(c1) entered disabled state
[  416.124918] c1: entered allmulticast mode
[  416.125005] c1: entered promiscuous mode
[  416.139245] br0: port 2(c2) entered blocking state
[  416.139282] br0: port 2(c2) entered disabled state
[  416.139317] c2: entered allmulticast mode
[  416.139363] c2: entered promiscuous mode
[  416.153695] br0: port 3(c3) entered blocking state
[  416.153762] br0: port 3(c3) entered disabled state
[  416.153831] c3: entered allmulticast mode
[  416.153918] c3: entered promiscuous mode
[  416.168246] br0: port 4(sender) entered blocking state
[  416.168310] br0: port 4(sender) entered disabled state
[  416.168386] sender: entered allmulticast mode
[  416.168486] sender: entered promiscuous mode
[  416.174052] br0: port 4(sender) entered blocking state
[  416.174086] br0: port 4(sender) entered forwarding state
[  416.174118] br0: port 3(c3) entered blocking state
[  416.174147] br0: port 3(c3) entered forwarding state
[  416.174178] br0: port 2(c2) entered blocking state
[  416.174206] br0: port 2(c2) entered forwarding state
[  416.174236] br0: port 1(c1) entered blocking state
[  416.174270] br0: port 1(c1) entered forwarding state
[  416.180969] Bridge firewalling registered
[  426.784413] br0: port 1(c1) entered disabled state
[  426.784717] c1 (unregistering): left allmulticast mode
[  426.784790] c1 (unregistering): left promiscuous mode
[  426.784888] br0: port 1(c1) entered disabled state
[  426.806755] br0: port 2(c2) entered disabled state
[  426.806955] c2 (unregistering): left allmulticast mode
[  426.807019] c2 (unregistering): left promiscuous mode
[  426.807094] br0: port 2(c2) entered disabled state
[  426.831748] br0: port 4(sender) entered disabled state
[  426.831865] br0: port 3(c3) entered disabled state
[  426.832053] sender (unregistering): left allmulticast mode
[  426.832116] sender (unregistering): left promiscuous mode
[  426.832189] br0: port 4(sender) entered disabled state
[  426.832532] c3 (unregistering): left allmulticast mode
[  426.832606] c3 (unregistering): left promiscuous mode
[  426.832701] br0: port 3(c3) entered disabled state