[  400.042449] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  400.056288] br0: port 1(c1) entered blocking state
[  400.056415] br0: port 1(c1) entered disabled state
[  400.056505] c1: entered allmulticast mode
[  400.056637] c1: entered promiscuous mode
[  400.070739] br0: port 2(c2) entered blocking state
[  400.070790] br0: port 2(c2) entered disabled state
[  400.070832] c2: entered allmulticast mode
[  400.070879] c2: entered promiscuous mode
[  400.084065] br0: port 3(c3) entered blocking state
[  400.084113] br0: port 3(c3) entered disabled state
[  400.084156] c3: entered allmulticast mode
[  400.084205] c3: entered promiscuous mode
[  400.097244] br0: port 4(sender) entered blocking state
[  400.097319] br0: port 4(sender) entered disabled state
[  400.097391] sender: entered allmulticast mode
[  400.097481] sender: entered promiscuous mode
[  400.102662] br0: port 4(sender) entered blocking state
[  400.102735] br0: port 4(sender) entered forwarding state
[  400.102807] br0: port 3(c3) entered blocking state
[  400.102876] br0: port 3(c3) entered forwarding state
[  400.102946] br0: port 2(c2) entered blocking state
[  400.103030] br0: port 2(c2) entered forwarding state
[  400.103102] br0: port 1(c1) entered blocking state
[  400.103170] br0: port 1(c1) entered forwarding state
[  400.110471] Bridge firewalling registered
[  410.712093] br0: port 1(c1) entered disabled state
[  410.712253] c1 (unregistering): left allmulticast mode
[  410.712286] c1 (unregistering): left promiscuous mode
[  410.712319] br0: port 1(c1) entered disabled state
[  410.729033] br0: port 2(c2) entered disabled state
[  410.729202] c2 (unregistering): left allmulticast mode
[  410.729249] c2 (unregistering): left promiscuous mode
[  410.729282] br0: port 2(c2) entered disabled state
[  410.752044] br0: port 4(sender) entered disabled state
[  410.752123] br0: port 3(c3) entered disabled state
[  410.752246] sender (unregistering): left allmulticast mode
[  410.752289] sender (unregistering): left promiscuous mode
[  410.752320] br0: port 4(sender) entered disabled state
[  410.752493] c3 (unregistering): left allmulticast mode
[  410.752528] c3 (unregistering): left promiscuous mode
[  410.752560] br0: port 3(c3) entered disabled state