[  420.043745] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  420.057948] br0: port 1(c1) entered blocking state
[  420.057981] br0: port 1(c1) entered disabled state
[  420.058013] c1: entered allmulticast mode
[  420.058058] c1: entered promiscuous mode
[  420.072773] br0: port 2(c2) entered blocking state
[  420.072812] br0: port 2(c2) entered disabled state
[  420.072850] c2: entered allmulticast mode
[  420.072894] c2: entered promiscuous mode
[  420.086147] br0: port 3(c3) entered blocking state
[  420.086180] br0: port 3(c3) entered disabled state
[  420.086209] c3: entered allmulticast mode
[  420.086250] c3: entered promiscuous mode
[  420.099667] br0: port 4(sender) entered blocking state
[  420.099702] br0: port 4(sender) entered disabled state
[  420.099738] sender: entered allmulticast mode
[  420.099800] sender: entered promiscuous mode
[  420.104997] br0: port 4(sender) entered blocking state
[  420.105062] br0: port 4(sender) entered forwarding state
[  420.105127] br0: port 3(c3) entered blocking state
[  420.105187] br0: port 3(c3) entered forwarding state
[  420.105246] br0: port 2(c2) entered blocking state
[  420.105302] br0: port 2(c2) entered forwarding state
[  420.105360] br0: port 1(c1) entered blocking state
[  420.105420] br0: port 1(c1) entered forwarding state
[  420.113006] Bridge firewalling registered
[  430.783906] br0: port 1(c1) entered disabled state
[  430.784188] c1 (unregistering): left allmulticast mode
[  430.784246] c1 (unregistering): left promiscuous mode
[  430.784305] br0: port 1(c1) entered disabled state
[  430.810902] br0: port 2(c2) entered disabled state
[  430.811124] c2 (unregistering): left allmulticast mode
[  430.811186] c2 (unregistering): left promiscuous mode
[  430.811245] br0: port 2(c2) entered disabled state
[  430.835883] br0: port 4(sender) entered disabled state
[  430.836017] br0: port 3(c3) entered disabled state
[  430.836167] sender (unregistering): left allmulticast mode
[  430.836230] sender (unregistering): left promiscuous mode
[  430.836297] br0: port 4(sender) entered disabled state
[  430.836519] c3 (unregistering): left allmulticast mode
[  430.836578] c3 (unregistering): left promiscuous mode
[  430.836643] br0: port 3(c3) entered disabled state