[  427.528678] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  427.546647] br0: port 1(c1) entered blocking state
[  427.546696] br0: port 1(c1) entered disabled state
[  427.546742] c1: entered allmulticast mode
[  427.546803] c1: entered promiscuous mode
[  427.564715] br0: port 2(c2) entered blocking state
[  427.564765] br0: port 2(c2) entered disabled state
[  427.564815] c2: entered allmulticast mode
[  427.564877] c2: entered promiscuous mode
[  427.581763] br0: port 3(c3) entered blocking state
[  427.581810] br0: port 3(c3) entered disabled state
[  427.581857] c3: entered allmulticast mode
[  427.581917] c3: entered promiscuous mode
[  427.598602] br0: port 4(sender) entered blocking state
[  427.598648] br0: port 4(sender) entered disabled state
[  427.598685] sender: entered allmulticast mode
[  427.598743] sender: entered promiscuous mode
[  427.604777] br0: port 4(sender) entered blocking state
[  427.604821] br0: port 4(sender) entered forwarding state
[  427.604867] br0: port 3(c3) entered blocking state
[  427.604907] br0: port 3(c3) entered forwarding state
[  427.604943] br0: port 2(c2) entered blocking state
[  427.604980] br0: port 2(c2) entered forwarding state
[  427.605017] br0: port 1(c1) entered blocking state
[  427.605055] br0: port 1(c1) entered forwarding state
[  427.612844] Bridge firewalling registered
[  438.280003] br0: port 1(c1) entered disabled state
[  438.280351] c1 (unregistering): left allmulticast mode
[  438.280393] c1 (unregistering): left promiscuous mode
[  438.280436] br0: port 1(c1) entered disabled state
[  438.302981] br0: port 2(c2) entered disabled state
[  438.303159] c2 (unregistering): left allmulticast mode
[  438.303202] c2 (unregistering): left promiscuous mode
[  438.303242] br0: port 2(c2) entered disabled state
[  438.326008] br0: port 4(sender) entered disabled state
[  438.326108] br0: port 3(c3) entered disabled state
[  438.326290] sender (unregistering): left allmulticast mode
[  438.326332] sender (unregistering): left promiscuous mode
[  438.326371] br0: port 4(sender) entered disabled state
[  438.326665] c3 (unregistering): left allmulticast mode
[  438.326710] c3 (unregistering): left promiscuous mode
[  438.326743] br0: port 3(c3) entered disabled state