[  393.274716] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  393.287850] br0: port 1(c1) entered blocking state
[  393.287898] br0: port 1(c1) entered disabled state
[  393.287935] c1: entered allmulticast mode
[  393.287977] c1: entered promiscuous mode
[  393.300338] br0: port 2(c2) entered blocking state
[  393.300382] br0: port 2(c2) entered disabled state
[  393.300416] c2: entered allmulticast mode
[  393.300455] c2: entered promiscuous mode
[  393.312700] br0: port 3(c3) entered blocking state
[  393.312742] br0: port 3(c3) entered disabled state
[  393.312773] c3: entered allmulticast mode
[  393.312813] c3: entered promiscuous mode
[  393.325117] br0: port 4(sender) entered blocking state
[  393.325164] br0: port 4(sender) entered disabled state
[  393.325200] sender: entered allmulticast mode
[  393.325253] sender: entered promiscuous mode
[  393.330073] br0: port 4(sender) entered blocking state
[  393.330115] br0: port 4(sender) entered forwarding state
[  393.330158] br0: port 3(c3) entered blocking state
[  393.330192] br0: port 3(c3) entered forwarding state
[  393.330229] br0: port 2(c2) entered blocking state
[  393.330260] br0: port 2(c2) entered forwarding state
[  393.330294] br0: port 1(c1) entered blocking state
[  393.330326] br0: port 1(c1) entered forwarding state
[  393.337028] Bridge firewalling registered
[  404.028403] br0: port 1(c1) entered disabled state
[  404.028617] c1 (unregistering): left allmulticast mode
[  404.028663] c1 (unregistering): left promiscuous mode
[  404.028695] br0: port 1(c1) entered disabled state
[  404.047412] br0: port 2(c2) entered disabled state
[  404.047828] c2 (unregistering): left allmulticast mode
[  404.047902] c2 (unregistering): left promiscuous mode
[  404.047943] br0: port 2(c2) entered disabled state
[  404.067397] br0: port 4(sender) entered disabled state
[  404.067482] br0: port 3(c3) entered disabled state
[  404.067777] sender (unregistering): left allmulticast mode
[  404.067848] sender (unregistering): left promiscuous mode
[  404.067882] br0: port 4(sender) entered disabled state
[  404.068234] c3 (unregistering): left allmulticast mode
[  404.068274] c3 (unregistering): left promiscuous mode
[  404.068321] br0: port 3(c3) entered disabled state