[  400.495819] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  400.516012] br0: port 1(c1) entered blocking state
[  400.516117] br0: port 1(c1) entered disabled state
[  400.516201] c1: entered allmulticast mode
[  400.516254] c1: entered promiscuous mode
[  400.533082] br0: port 2(c2) entered blocking state
[  400.533170] br0: port 2(c2) entered disabled state
[  400.533250] c2: entered allmulticast mode
[  400.533304] c2: entered promiscuous mode
[  400.548700] br0: port 3(c3) entered blocking state
[  400.548824] br0: port 3(c3) entered disabled state
[  400.548914] c3: entered allmulticast mode
[  400.549013] c3: entered promiscuous mode
[  400.564608] br0: port 4(sender) entered blocking state
[  400.564698] br0: port 4(sender) entered disabled state
[  400.564758] sender: entered allmulticast mode
[  400.564828] sender: entered promiscuous mode
[  400.571069] br0: port 4(sender) entered blocking state
[  400.571148] br0: port 4(sender) entered forwarding state
[  400.571246] br0: port 3(c3) entered blocking state
[  400.571312] br0: port 3(c3) entered forwarding state
[  400.571388] br0: port 2(c2) entered blocking state
[  400.571452] br0: port 2(c2) entered forwarding state
[  400.571521] br0: port 1(c1) entered blocking state
[  400.571593] br0: port 1(c1) entered forwarding state
[  400.580036] Bridge firewalling registered
[  411.205105] br0: port 1(c1) entered disabled state
[  411.205739] c1 (unregistering): left allmulticast mode
[  411.205838] c1 (unregistering): left promiscuous mode
[  411.205893] br0: port 1(c1) entered disabled state
[  411.229890] br0: port 2(c2) entered disabled state
[  411.230194] c2 (unregistering): left allmulticast mode
[  411.230265] c2 (unregistering): left promiscuous mode
[  411.230303] br0: port 2(c2) entered disabled state
[  411.251060] br0: port 4(sender) entered disabled state
[  411.251244] br0: port 3(c3) entered disabled state
[  411.251430] sender (unregistering): left allmulticast mode
[  411.251476] sender (unregistering): left promiscuous mode
[  411.251510] br0: port 4(sender) entered disabled state
[  411.251877] c3 (unregistering): left allmulticast mode
[  411.251987] c3 (unregistering): left promiscuous mode
[  411.252040] br0: port 3(c3) entered disabled state