[  411.260801] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  411.274122] br0: port 1(c1) entered blocking state
[  411.274177] br0: port 1(c1) entered disabled state
[  411.274218] c1: entered allmulticast mode
[  411.274272] c1: entered promiscuous mode
[  411.287991] br0: port 2(c2) entered blocking state
[  411.288074] br0: port 2(c2) entered disabled state
[  411.288140] c2: entered allmulticast mode
[  411.288221] c2: entered promiscuous mode
[  411.300962] br0: port 3(c3) entered blocking state
[  411.301036] br0: port 3(c3) entered disabled state
[  411.301100] c3: entered allmulticast mode
[  411.301179] c3: entered promiscuous mode
[  411.314093] br0: port 4(sender) entered blocking state
[  411.314167] br0: port 4(sender) entered disabled state
[  411.314232] sender: entered allmulticast mode
[  411.314322] sender: entered promiscuous mode
[  411.319330] br0: port 4(sender) entered blocking state
[  411.319368] br0: port 4(sender) entered forwarding state
[  411.319403] br0: port 3(c3) entered blocking state
[  411.319437] br0: port 3(c3) entered forwarding state
[  411.319473] br0: port 2(c2) entered blocking state
[  411.319504] br0: port 2(c2) entered forwarding state
[  411.319538] br0: port 1(c1) entered blocking state
[  411.319569] br0: port 1(c1) entered forwarding state
[  411.326808] Bridge firewalling registered
[  421.953378] br0: port 1(c1) entered disabled state
[  421.953586] c1 (unregistering): left allmulticast mode
[  421.953633] c1 (unregistering): left promiscuous mode
[  421.953679] br0: port 1(c1) entered disabled state
[  421.968372] br0: port 2(c2) entered disabled state
[  421.968581] c2 (unregistering): left allmulticast mode
[  421.968691] c2 (unregistering): left promiscuous mode
[  421.968766] br0: port 2(c2) entered disabled state
[  421.989359] br0: port 3(c3) entered disabled state
[  421.989530] c3 (unregistering): left allmulticast mode
[  421.989621] c3 (unregistering): left promiscuous mode
[  421.989694] br0: port 3(c3) entered disabled state
[  421.999352] sender: left allmulticast mode
[  421.999412] sender: left promiscuous mode
[  421.999445] br0: port 4(sender) entered disabled state