[  447.991620] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  448.007251] br0: port 1(c1) entered blocking state
[  448.007297] br0: port 1(c1) entered disabled state
[  448.007333] c1: entered allmulticast mode
[  448.007383] c1: entered promiscuous mode
[  448.022173] br0: port 2(c2) entered blocking state
[  448.022245] br0: port 2(c2) entered disabled state
[  448.022312] c2: entered allmulticast mode
[  448.022396] c2: entered promiscuous mode
[  448.037300] br0: port 3(c3) entered blocking state
[  448.037339] br0: port 3(c3) entered disabled state
[  448.037373] c3: entered allmulticast mode
[  448.037419] c3: entered promiscuous mode
[  448.052076] br0: port 4(sender) entered blocking state
[  448.052145] br0: port 4(sender) entered disabled state
[  448.052213] sender: entered allmulticast mode
[  448.052301] sender: entered promiscuous mode
[  448.058288] br0: port 4(sender) entered blocking state
[  448.058321] br0: port 4(sender) entered forwarding state
[  448.058356] br0: port 3(c3) entered blocking state
[  448.058386] br0: port 3(c3) entered forwarding state
[  448.058415] br0: port 2(c2) entered blocking state
[  448.058445] br0: port 2(c2) entered forwarding state
[  448.058477] br0: port 1(c1) entered blocking state
[  448.058508] br0: port 1(c1) entered forwarding state
[  448.065490] Bridge firewalling registered
[  458.669629] br0: port 1(c1) entered disabled state
[  458.669814] c1 (unregistering): left allmulticast mode
[  458.669851] c1 (unregistering): left promiscuous mode
[  458.669886] br0: port 1(c1) entered disabled state
[  458.687124] br0: port 2(c2) entered disabled state
[  458.687280] c2 (unregistering): left allmulticast mode
[  458.687312] c2 (unregistering): left promiscuous mode
[  458.687346] br0: port 2(c2) entered disabled state
[  458.706134] br0: port 4(sender) entered disabled state
[  458.706206] br0: port 3(c3) entered disabled state
[  458.706343] sender (unregistering): left allmulticast mode
[  458.706370] sender (unregistering): left promiscuous mode
[  458.706395] br0: port 4(sender) entered disabled state
[  458.706603] c3 (unregistering): left allmulticast mode
[  458.706633] c3 (unregistering): left promiscuous mode
[  458.706658] br0: port 3(c3) entered disabled state