[  476.511758] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  476.527101] br0: port 1(c1) entered blocking state
[  476.527148] br0: port 1(c1) entered disabled state
[  476.527191] c1: entered allmulticast mode
[  476.527238] c1: entered promiscuous mode
[  476.541884] br0: port 2(c2) entered blocking state
[  476.541926] br0: port 2(c2) entered disabled state
[  476.541958] c2: entered allmulticast mode
[  476.542000] c2: entered promiscuous mode
[  476.556615] br0: port 3(c3) entered blocking state
[  476.556661] br0: port 3(c3) entered disabled state
[  476.556696] c3: entered allmulticast mode
[  476.556751] c3: entered promiscuous mode
[  476.571442] br0: port 4(sender) entered blocking state
[  476.571489] br0: port 4(sender) entered disabled state
[  476.571527] sender: entered allmulticast mode
[  476.571577] sender: entered promiscuous mode
[  476.577444] br0: port 4(sender) entered blocking state
[  476.577489] br0: port 4(sender) entered forwarding state
[  476.577523] br0: port 3(c3) entered blocking state
[  476.577555] br0: port 3(c3) entered forwarding state
[  476.577587] br0: port 2(c2) entered blocking state
[  476.577618] br0: port 2(c2) entered forwarding state
[  476.577649] br0: port 1(c1) entered blocking state
[  476.577681] br0: port 1(c1) entered forwarding state
[  476.584442] Bridge firewalling registered
[  487.191324] br0: port 1(c1) entered disabled state
[  487.191572] c1 (unregistering): left allmulticast mode
[  487.191616] c1 (unregistering): left promiscuous mode
[  487.191645] br0: port 1(c1) entered disabled state
[  487.210351] br0: port 2(c2) entered disabled state
[  487.210545] c2 (unregistering): left allmulticast mode
[  487.210584] c2 (unregistering): left promiscuous mode
[  487.210615] br0: port 2(c2) entered disabled state
[  487.224307] br0: port 3(c3) entered disabled state
[  487.224455] c3 (unregistering): left allmulticast mode
[  487.224487] c3 (unregistering): left promiscuous mode
[  487.224517] br0: port 3(c3) entered disabled state
[  487.244323] sender: left allmulticast mode
[  487.244389] sender: left promiscuous mode
[  487.244428] br0: port 4(sender) entered disabled state