[  412.306213] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  412.321397] br0: port 1(c1) entered blocking state
[  412.321437] br0: port 1(c1) entered disabled state
[  412.321469] c1: entered allmulticast mode
[  412.321520] c1: entered promiscuous mode
[  412.335017] br0: port 2(c2) entered blocking state
[  412.335057] br0: port 2(c2) entered disabled state
[  412.335092] c2: entered allmulticast mode
[  412.335145] c2: entered promiscuous mode
[  412.348157] br0: port 3(c3) entered blocking state
[  412.348204] br0: port 3(c3) entered disabled state
[  412.348243] c3: entered allmulticast mode
[  412.348307] c3: entered promiscuous mode
[  412.361663] br0: port 4(sender) entered blocking state
[  412.361705] br0: port 4(sender) entered disabled state
[  412.361741] sender: entered allmulticast mode
[  412.361791] sender: entered promiscuous mode
[  412.366831] br0: port 4(sender) entered blocking state
[  412.366870] br0: port 4(sender) entered forwarding state
[  412.366907] br0: port 3(c3) entered blocking state
[  412.366942] br0: port 3(c3) entered forwarding state
[  412.366976] br0: port 2(c2) entered blocking state
[  412.367011] br0: port 2(c2) entered forwarding state
[  412.367043] br0: port 1(c1) entered blocking state
[  412.367075] br0: port 1(c1) entered forwarding state
[  412.374558] Bridge firewalling registered
[  423.031343] br0: port 1(c1) entered disabled state
[  423.031517] c1 (unregistering): left allmulticast mode
[  423.031554] c1 (unregistering): left promiscuous mode
[  423.031586] br0: port 1(c1) entered disabled state
[  423.048327] br0: port 2(c2) entered disabled state
[  423.048449] c2 (unregistering): left allmulticast mode
[  423.048492] c2 (unregistering): left promiscuous mode
[  423.048530] br0: port 2(c2) entered disabled state
[  423.069338] br0: port 4(sender) entered disabled state
[  423.069410] br0: port 3(c3) entered disabled state
[  423.069527] sender (unregistering): left allmulticast mode
[  423.069564] sender (unregistering): left promiscuous mode
[  423.069596] br0: port 4(sender) entered disabled state
[  423.069822] c3 (unregistering): left allmulticast mode
[  423.069855] c3 (unregistering): left promiscuous mode
[  423.069887] br0: port 3(c3) entered disabled state