[  406.778086] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  406.792538] br0: port 1(c1) entered blocking state
[  406.792586] br0: port 1(c1) entered disabled state
[  406.792623] c1: entered allmulticast mode
[  406.792682] c1: entered promiscuous mode
[  406.804738] br0: port 2(c2) entered blocking state
[  406.804777] br0: port 2(c2) entered disabled state
[  406.804814] c2: entered allmulticast mode
[  406.804863] c2: entered promiscuous mode
[  406.816907] br0: port 3(c3) entered blocking state
[  406.816981] br0: port 3(c3) entered disabled state
[  406.817043] c3: entered allmulticast mode
[  406.817124] c3: entered promiscuous mode
[  406.829107] br0: port 4(sender) entered blocking state
[  406.829143] br0: port 4(sender) entered disabled state
[  406.829174] sender: entered allmulticast mode
[  406.829228] sender: entered promiscuous mode
[  406.833946] br0: port 4(sender) entered blocking state
[  406.833985] br0: port 4(sender) entered forwarding state
[  406.834018] br0: port 3(c3) entered blocking state
[  406.834046] br0: port 3(c3) entered forwarding state
[  406.834071] br0: port 2(c2) entered blocking state
[  406.834099] br0: port 2(c2) entered forwarding state
[  406.834129] br0: port 1(c1) entered blocking state
[  406.834155] br0: port 1(c1) entered forwarding state
[  406.840968] Bridge firewalling registered
[  417.508059] br0: port 1(c1) entered disabled state
[  417.508303] c1 (unregistering): left allmulticast mode
[  417.508410] c1 (unregistering): left promiscuous mode
[  417.508481] br0: port 1(c1) entered disabled state
[  417.540051] br0: port 3(c3) entered disabled state
[  417.540176] br0: port 2(c2) entered disabled state
[  417.540431] c3 (unregistering): left allmulticast mode
[  417.540535] c3 (unregistering): left promiscuous mode
[  417.540598] br0: port 3(c3) entered disabled state
[  417.540845] c2 (unregistering): left allmulticast mode
[  417.540909] c2 (unregistering): left promiscuous mode
[  417.540980] br0: port 2(c2) entered disabled state
[  417.555096] sender: left allmulticast mode
[  417.555159] sender: left promiscuous mode
[  417.555261] br0: port 4(sender) entered disabled state