[  419.265255] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  419.280483] br0: port 1(c1) entered blocking state
[  419.280527] br0: port 1(c1) entered disabled state
[  419.280570] c1: entered allmulticast mode
[  419.280634] c1: entered promiscuous mode
[  419.295348] br0: port 2(c2) entered blocking state
[  419.295394] br0: port 2(c2) entered disabled state
[  419.295432] c2: entered allmulticast mode
[  419.295475] c2: entered promiscuous mode
[  419.310412] br0: port 3(c3) entered blocking state
[  419.310480] br0: port 3(c3) entered disabled state
[  419.310549] c3: entered allmulticast mode
[  419.310650] c3: entered promiscuous mode
[  419.325337] br0: port 4(sender) entered blocking state
[  419.325409] br0: port 4(sender) entered disabled state
[  419.325479] sender: entered allmulticast mode
[  419.325570] sender: entered promiscuous mode
[  419.331333] br0: port 4(sender) entered blocking state
[  419.331367] br0: port 4(sender) entered forwarding state
[  419.331405] br0: port 3(c3) entered blocking state
[  419.331430] br0: port 3(c3) entered forwarding state
[  419.331462] br0: port 2(c2) entered blocking state
[  419.331494] br0: port 2(c2) entered forwarding state
[  419.331524] br0: port 1(c1) entered blocking state
[  419.331556] br0: port 1(c1) entered forwarding state
[  419.338474] Bridge firewalling registered
[  429.943485] br0: port 1(c1) entered disabled state
[  429.943801] c1 (unregistering): left allmulticast mode
[  429.943836] c1 (unregistering): left promiscuous mode
[  429.943872] br0: port 1(c1) entered disabled state
[  429.965696] br0: port 2(c2) entered disabled state
[  429.965863] c2 (unregistering): left allmulticast mode
[  429.965895] c2 (unregistering): left promiscuous mode
[  429.965935] br0: port 2(c2) entered disabled state
[  429.988696] br0: port 4(sender) entered disabled state
[  429.988845] br0: port 3(c3) entered disabled state
[  429.989046] sender (unregistering): left allmulticast mode
[  429.989122] sender (unregistering): left promiscuous mode
[  429.989212] br0: port 4(sender) entered disabled state
[  429.989487] c3 (unregistering): left allmulticast mode
[  429.989568] c3 (unregistering): left promiscuous mode
[  429.989688] br0: port 3(c3) entered disabled state