[  434.772020] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  434.788563] br0: port 1(c1) entered blocking state
[  434.788633] br0: port 1(c1) entered disabled state
[  434.788704] c1: entered allmulticast mode
[  434.788798] c1: entered promiscuous mode
[  434.804030] br0: port 2(c2) entered blocking state
[  434.804073] br0: port 2(c2) entered disabled state
[  434.804118] c2: entered allmulticast mode
[  434.804163] c2: entered promiscuous mode
[  434.819035] br0: port 3(c3) entered blocking state
[  434.819103] br0: port 3(c3) entered disabled state
[  434.819170] c3: entered allmulticast mode
[  434.819247] c3: entered promiscuous mode
[  434.834393] br0: port 4(sender) entered blocking state
[  434.834428] br0: port 4(sender) entered disabled state
[  434.834467] sender: entered allmulticast mode
[  434.834522] sender: entered promiscuous mode
[  434.840595] br0: port 4(sender) entered blocking state
[  434.840663] br0: port 4(sender) entered forwarding state
[  434.840740] br0: port 3(c3) entered blocking state
[  434.840804] br0: port 3(c3) entered forwarding state
[  434.840869] br0: port 2(c2) entered blocking state
[  434.840932] br0: port 2(c2) entered forwarding state
[  434.840997] br0: port 1(c1) entered blocking state
[  434.841065] br0: port 1(c1) entered forwarding state
[  434.848169] Bridge firewalling registered
[  445.458866] br0: port 1(c1) entered disabled state
[  445.459132] c1 (unregistering): left allmulticast mode
[  445.459173] c1 (unregistering): left promiscuous mode
[  445.459210] br0: port 1(c1) entered disabled state
[  445.485829] br0: port 2(c2) entered disabled state
[  445.486088] c2 (unregistering): left allmulticast mode
[  445.486130] c2 (unregistering): left promiscuous mode
[  445.486166] br0: port 2(c2) entered disabled state
[  445.507803] br0: port 4(sender) entered disabled state
[  445.507892] br0: port 3(c3) entered disabled state
[  445.508048] sender (unregistering): left allmulticast mode
[  445.508081] sender (unregistering): left promiscuous mode
[  445.508114] br0: port 4(sender) entered disabled state
[  445.508331] c3 (unregistering): left allmulticast mode
[  445.508373] c3 (unregistering): left promiscuous mode
[  445.508406] br0: port 3(c3) entered disabled state