[  423.003924] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  423.021049] br0: port 1(c1) entered blocking state
[  423.021098] br0: port 1(c1) entered disabled state
[  423.021137] c1: entered allmulticast mode
[  423.021191] c1: entered promiscuous mode
[  423.034993] br0: port 2(c2) entered blocking state
[  423.035033] br0: port 2(c2) entered disabled state
[  423.035065] c2: entered allmulticast mode
[  423.035104] c2: entered promiscuous mode
[  423.048491] br0: port 3(c3) entered blocking state
[  423.048565] br0: port 3(c3) entered disabled state
[  423.048631] c3: entered allmulticast mode
[  423.048710] c3: entered promiscuous mode
[  423.062858] br0: port 4(sender) entered blocking state
[  423.062912] br0: port 4(sender) entered disabled state
[  423.062948] sender: entered allmulticast mode
[  423.063003] sender: entered promiscuous mode
[  423.068501] br0: port 4(sender) entered blocking state
[  423.068543] br0: port 4(sender) entered forwarding state
[  423.068577] br0: port 3(c3) entered blocking state
[  423.068606] br0: port 3(c3) entered forwarding state
[  423.068636] br0: port 2(c2) entered blocking state
[  423.068675] br0: port 2(c2) entered forwarding state
[  423.068706] br0: port 1(c1) entered blocking state
[  423.068732] br0: port 1(c1) entered forwarding state
[  423.076119] Bridge firewalling registered
[  433.755004] br0: port 1(c1) entered disabled state
[  433.755170] c1 (unregistering): left allmulticast mode
[  433.755200] c1 (unregistering): left promiscuous mode
[  433.755223] br0: port 1(c1) entered disabled state
[  433.773001] br0: port 2(c2) entered disabled state
[  433.773136] c2 (unregistering): left allmulticast mode
[  433.773161] c2 (unregistering): left promiscuous mode
[  433.773185] br0: port 2(c2) entered disabled state
[  433.802988] br0: port 4(sender) entered disabled state
[  433.803071] br0: port 3(c3) entered disabled state
[  433.803268] sender (unregistering): left allmulticast mode
[  433.803301] sender (unregistering): left promiscuous mode
[  433.803328] br0: port 4(sender) entered disabled state
[  433.803550] c3 (unregistering): left allmulticast mode
[  433.803579] c3 (unregistering): left promiscuous mode
[  433.803602] br0: port 3(c3) entered disabled state