[  461.481111] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  461.497220] br0: port 1(c1) entered blocking state
[  461.497263] br0: port 1(c1) entered disabled state
[  461.497299] c1: entered allmulticast mode
[  461.497347] c1: entered promiscuous mode
[  461.512065] br0: port 2(c2) entered blocking state
[  461.512098] br0: port 2(c2) entered disabled state
[  461.512135] c2: entered allmulticast mode
[  461.512187] c2: entered promiscuous mode
[  461.526803] br0: port 3(c3) entered blocking state
[  461.526844] br0: port 3(c3) entered disabled state
[  461.526881] c3: entered allmulticast mode
[  461.526931] c3: entered promiscuous mode
[  461.541183] br0: port 4(sender) entered blocking state
[  461.541222] br0: port 4(sender) entered disabled state
[  461.541254] sender: entered allmulticast mode
[  461.541304] sender: entered promiscuous mode
[  461.546827] br0: port 4(sender) entered blocking state
[  461.546865] br0: port 4(sender) entered forwarding state
[  461.546896] br0: port 3(c3) entered blocking state
[  461.546924] br0: port 3(c3) entered forwarding state
[  461.546954] br0: port 2(c2) entered blocking state
[  461.546990] br0: port 2(c2) entered forwarding state
[  461.547019] br0: port 1(c1) entered blocking state
[  461.547046] br0: port 1(c1) entered forwarding state
[  461.553699] Bridge firewalling registered
[  472.153183] br0: port 1(c1) entered disabled state
[  472.153397] c1 (unregistering): left allmulticast mode
[  472.153430] c1 (unregistering): left promiscuous mode
[  472.153461] br0: port 1(c1) entered disabled state
[  472.174133] br0: port 2(c2) entered disabled state
[  472.174304] c2 (unregistering): left allmulticast mode
[  472.174344] c2 (unregistering): left promiscuous mode
[  472.174373] br0: port 2(c2) entered disabled state
[  472.195196] br0: port 4(sender) entered disabled state
[  472.195277] br0: port 3(c3) entered disabled state
[  472.195428] sender (unregistering): left allmulticast mode
[  472.195458] sender (unregistering): left promiscuous mode
[  472.195489] br0: port 4(sender) entered disabled state
[  472.195696] c3 (unregistering): left allmulticast mode
[  472.195725] c3 (unregistering): left promiscuous mode
[  472.195755] br0: port 3(c3) entered disabled state