[  427.747745] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  427.767245] br0: port 1(c1) entered blocking state
[  427.767305] br0: port 1(c1) entered disabled state
[  427.767375] c1: entered allmulticast mode
[  427.767464] c1: entered promiscuous mode
[  427.785458] br0: port 2(c2) entered blocking state
[  427.785563] br0: port 2(c2) entered disabled state
[  427.785681] c2: entered allmulticast mode
[  427.785806] c2: entered promiscuous mode
[  427.803641] br0: port 3(c3) entered blocking state
[  427.803751] br0: port 3(c3) entered disabled state
[  427.803863] c3: entered allmulticast mode
[  427.803967] c3: entered promiscuous mode
[  427.821895] br0: port 4(sender) entered blocking state
[  427.822004] br0: port 4(sender) entered disabled state
[  427.822125] sender: entered allmulticast mode
[  427.822249] sender: entered promiscuous mode
[  427.829253] br0: port 4(sender) entered blocking state
[  427.829344] br0: port 4(sender) entered forwarding state
[  427.829416] br0: port 3(c3) entered blocking state
[  427.829492] br0: port 3(c3) entered forwarding state
[  427.829548] br0: port 2(c2) entered blocking state
[  427.829591] br0: port 2(c2) entered forwarding state
[  427.829646] br0: port 1(c1) entered blocking state
[  427.829705] br0: port 1(c1) entered forwarding state
[  427.837823] Bridge firewalling registered
[  438.460651] br0: port 1(c1) entered disabled state
[  438.460847] c1 (unregistering): left allmulticast mode
[  438.460880] c1 (unregistering): left promiscuous mode
[  438.460909] br0: port 1(c1) entered disabled state
[  438.484593] br0: port 2(c2) entered disabled state
[  438.484825] c2 (unregistering): left allmulticast mode
[  438.484907] c2 (unregistering): left promiscuous mode
[  438.484961] br0: port 2(c2) entered disabled state
[  438.502579] br0: port 4(sender) entered disabled state
[  438.502659] br0: port 3(c3) entered disabled state
[  438.502793] sender (unregistering): left allmulticast mode
[  438.502825] sender (unregistering): left promiscuous mode
[  438.502851] br0: port 4(sender) entered disabled state
[  438.503080] c3 (unregistering): left allmulticast mode
[  438.503111] c3 (unregistering): left promiscuous mode
[  438.503142] br0: port 3(c3) entered disabled state