[  400.882561] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  400.901574] br0: port 1(c1) entered blocking state
[  400.901634] br0: port 1(c1) entered disabled state
[  400.901687] c1: entered allmulticast mode
[  400.901745] c1: entered promiscuous mode
[  400.919287] br0: port 2(c2) entered blocking state
[  400.919336] br0: port 2(c2) entered disabled state
[  400.919368] c2: entered allmulticast mode
[  400.919419] c2: entered promiscuous mode
[  400.936657] br0: port 3(c3) entered blocking state
[  400.936739] br0: port 3(c3) entered disabled state
[  400.936809] c3: entered allmulticast mode
[  400.936896] c3: entered promiscuous mode
[  400.953725] br0: port 4(sender) entered blocking state
[  400.953762] br0: port 4(sender) entered disabled state
[  400.953794] sender: entered allmulticast mode
[  400.953847] sender: entered promiscuous mode
[  400.960328] br0: port 4(sender) entered blocking state
[  400.960372] br0: port 4(sender) entered forwarding state
[  400.960405] br0: port 3(c3) entered blocking state
[  400.960436] br0: port 3(c3) entered forwarding state
[  400.960466] br0: port 2(c2) entered blocking state
[  400.960492] br0: port 2(c2) entered forwarding state
[  400.960523] br0: port 1(c1) entered blocking state
[  400.960551] br0: port 1(c1) entered forwarding state
[  400.969801] Bridge firewalling registered
[  411.616888] br0: port 1(c1) entered disabled state
[  411.617126] c1 (unregistering): left allmulticast mode
[  411.617171] c1 (unregistering): left promiscuous mode
[  411.617204] br0: port 1(c1) entered disabled state
[  411.637742] br0: port 2(c2) entered disabled state
[  411.638117] c2 (unregistering): left allmulticast mode
[  411.638213] c2 (unregistering): left promiscuous mode
[  411.638252] br0: port 2(c2) entered disabled state
[  411.661764] br0: port 4(sender) entered disabled state
[  411.661853] br0: port 3(c3) entered disabled state
[  411.662080] sender (unregistering): left allmulticast mode
[  411.662158] sender (unregistering): left promiscuous mode
[  411.662209] br0: port 4(sender) entered disabled state
[  411.662756] c3 (unregistering): left allmulticast mode
[  411.662867] c3 (unregistering): left promiscuous mode
[  411.662917] br0: port 3(c3) entered disabled state