[  413.044818] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  413.063667] br0: port 1(c1) entered blocking state
[  413.063731] br0: port 1(c1) entered disabled state
[  413.063805] c1: entered allmulticast mode
[  413.063910] c1: entered promiscuous mode
[  413.078424] br0: port 2(c2) entered blocking state
[  413.078460] br0: port 2(c2) entered disabled state
[  413.078490] c2: entered allmulticast mode
[  413.078531] c2: entered promiscuous mode
[  413.092939] br0: port 3(c3) entered blocking state
[  413.093000] br0: port 3(c3) entered disabled state
[  413.093066] c3: entered allmulticast mode
[  413.093146] c3: entered promiscuous mode
[  413.107517] br0: port 4(sender) entered blocking state
[  413.107577] br0: port 4(sender) entered disabled state
[  413.107643] sender: entered allmulticast mode
[  413.107728] sender: entered promiscuous mode
[  413.113314] br0: port 4(sender) entered blocking state
[  413.113345] br0: port 4(sender) entered forwarding state
[  413.113373] br0: port 3(c3) entered blocking state
[  413.113401] br0: port 3(c3) entered forwarding state
[  413.113428] br0: port 2(c2) entered blocking state
[  413.113452] br0: port 2(c2) entered forwarding state
[  413.113473] br0: port 1(c1) entered blocking state
[  413.113498] br0: port 1(c1) entered forwarding state
[  413.121144] Bridge firewalling registered
[  423.803007] br0: port 1(c1) entered disabled state
[  423.803434] c1 (unregistering): left allmulticast mode
[  423.803501] c1 (unregistering): left promiscuous mode
[  423.803534] br0: port 1(c1) entered disabled state
[  423.832954] br0: port 2(c2) entered disabled state
[  423.833322] c2 (unregistering): left allmulticast mode
[  423.833389] c2 (unregistering): left promiscuous mode
[  423.833422] br0: port 2(c2) entered disabled state
[  423.853933] br0: port 4(sender) entered disabled state
[  423.854087] br0: port 3(c3) entered disabled state
[  423.854287] sender (unregistering): left allmulticast mode
[  423.854328] sender (unregistering): left promiscuous mode
[  423.854391] br0: port 4(sender) entered disabled state
[  423.854780] c3 (unregistering): left allmulticast mode
[  423.854888] c3 (unregistering): left promiscuous mode
[  423.854921] br0: port 3(c3) entered disabled state