[  393.644257] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  393.658517] br0: port 1(c1) entered blocking state
[  393.658570] br0: port 1(c1) entered disabled state
[  393.658608] c1: entered allmulticast mode
[  393.658663] c1: entered promiscuous mode
[  393.671341] br0: port 2(c2) entered blocking state
[  393.671391] br0: port 2(c2) entered disabled state
[  393.671434] c2: entered allmulticast mode
[  393.671480] c2: entered promiscuous mode
[  393.684194] br0: port 3(c3) entered blocking state
[  393.684241] br0: port 3(c3) entered disabled state
[  393.684282] c3: entered allmulticast mode
[  393.684335] c3: entered promiscuous mode
[  393.697101] br0: port 4(sender) entered blocking state
[  393.697176] br0: port 4(sender) entered disabled state
[  393.697247] sender: entered allmulticast mode
[  393.697334] sender: entered promiscuous mode
[  393.702327] br0: port 4(sender) entered blocking state
[  393.702399] br0: port 4(sender) entered forwarding state
[  393.702484] br0: port 3(c3) entered blocking state
[  393.702553] br0: port 3(c3) entered forwarding state
[  393.702625] br0: port 2(c2) entered blocking state
[  393.702692] br0: port 2(c2) entered forwarding state
[  393.702770] br0: port 1(c1) entered blocking state
[  393.702838] br0: port 1(c1) entered forwarding state
[  393.710402] Bridge firewalling registered
[  404.360799] br0: port 1(c1) entered disabled state
[  404.361080] c1 (unregistering): left allmulticast mode
[  404.361153] c1 (unregistering): left promiscuous mode
[  404.361235] br0: port 1(c1) entered disabled state
[  404.381774] br0: port 2(c2) entered disabled state
[  404.381991] c2 (unregistering): left allmulticast mode
[  404.382055] c2 (unregistering): left promiscuous mode
[  404.382127] br0: port 2(c2) entered disabled state
[  404.403775] br0: port 4(sender) entered disabled state
[  404.403890] br0: port 3(c3) entered disabled state
[  404.404055] sender (unregistering): left allmulticast mode
[  404.404153] sender (unregistering): left promiscuous mode
[  404.404244] br0: port 4(sender) entered disabled state
[  404.404491] c3 (unregistering): left allmulticast mode
[  404.404598] c3 (unregistering): left promiscuous mode
[  404.404660] br0: port 3(c3) entered disabled state