[  423.166535] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  423.181830] br0: port 1(c1) entered blocking state
[  423.181903] br0: port 1(c1) entered disabled state
[  423.181980] c1: entered allmulticast mode
[  423.182079] c1: entered promiscuous mode
[  423.196599] br0: port 2(c2) entered blocking state
[  423.196637] br0: port 2(c2) entered disabled state
[  423.196684] c2: entered allmulticast mode
[  423.196748] c2: entered promiscuous mode
[  423.210600] br0: port 3(c3) entered blocking state
[  423.210634] br0: port 3(c3) entered disabled state
[  423.210654] c3: entered allmulticast mode
[  423.210696] c3: entered promiscuous mode
[  423.224053] br0: port 4(sender) entered blocking state
[  423.224084] br0: port 4(sender) entered disabled state
[  423.224111] sender: entered allmulticast mode
[  423.224152] sender: entered promiscuous mode
[  423.229379] br0: port 4(sender) entered blocking state
[  423.229407] br0: port 4(sender) entered forwarding state
[  423.229439] br0: port 3(c3) entered blocking state
[  423.229456] br0: port 3(c3) entered forwarding state
[  423.229477] br0: port 2(c2) entered blocking state
[  423.229497] br0: port 2(c2) entered forwarding state
[  423.229516] br0: port 1(c1) entered blocking state
[  423.229536] br0: port 1(c1) entered forwarding state
[  423.235892] Bridge firewalling registered
[  433.894747] br0: port 1(c1) entered disabled state
[  433.894925] c1 (unregistering): left allmulticast mode
[  433.894964] c1 (unregistering): left promiscuous mode
[  433.894994] br0: port 1(c1) entered disabled state
[  433.921763] br0: port 3(c3) entered disabled state
[  433.921856] br0: port 2(c2) entered disabled state
[  433.922016] c3 (unregistering): left allmulticast mode
[  433.922056] c3 (unregistering): left promiscuous mode
[  433.922083] br0: port 3(c3) entered disabled state
[  433.922306] c2 (unregistering): left allmulticast mode
[  433.922330] c2 (unregistering): left promiscuous mode
[  433.922362] br0: port 2(c2) entered disabled state
[  433.941728] sender: left allmulticast mode
[  433.941756] sender: left promiscuous mode
[  433.941787] br0: port 4(sender) entered disabled state