[  441.210193] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  441.227212] br0: port 1(c1) entered blocking state
[  441.227253] br0: port 1(c1) entered disabled state
[  441.227291] c1: entered allmulticast mode
[  441.227336] c1: entered promiscuous mode
[  441.243718] br0: port 2(c2) entered blocking state
[  441.243796] br0: port 2(c2) entered disabled state
[  441.243874] c2: entered allmulticast mode
[  441.243968] c2: entered promiscuous mode
[  441.259908] br0: port 3(c3) entered blocking state
[  441.259944] br0: port 3(c3) entered disabled state
[  441.259979] c3: entered allmulticast mode
[  441.260035] c3: entered promiscuous mode
[  441.275342] br0: port 4(sender) entered blocking state
[  441.275378] br0: port 4(sender) entered disabled state
[  441.275421] sender: entered allmulticast mode
[  441.275490] sender: entered promiscuous mode
[  441.281469] br0: port 4(sender) entered blocking state
[  441.281503] br0: port 4(sender) entered forwarding state
[  441.281537] br0: port 3(c3) entered blocking state
[  441.281572] br0: port 3(c3) entered forwarding state
[  441.281603] br0: port 2(c2) entered blocking state
[  441.281631] br0: port 2(c2) entered forwarding state
[  441.281660] br0: port 1(c1) entered blocking state
[  441.281694] br0: port 1(c1) entered forwarding state
[  441.288521] Bridge firewalling registered
[  451.915844] br0: port 1(c1) entered disabled state
[  451.916137] c1 (unregistering): left allmulticast mode
[  451.916234] c1 (unregistering): left promiscuous mode
[  451.916298] br0: port 1(c1) entered disabled state
[  451.935188] br0: port 2(c2) entered disabled state
[  451.935340] c2 (unregistering): left allmulticast mode
[  451.935370] c2 (unregistering): left promiscuous mode
[  451.935402] br0: port 2(c2) entered disabled state
[  451.956157] br0: port 4(sender) entered disabled state
[  451.956228] br0: port 3(c3) entered disabled state
[  451.956378] sender (unregistering): left allmulticast mode
[  451.956408] sender (unregistering): left promiscuous mode
[  451.956443] br0: port 4(sender) entered disabled state
[  451.956703] c3 (unregistering): left allmulticast mode
[  451.956733] c3 (unregistering): left promiscuous mode
[  451.956771] br0: port 3(c3) entered disabled state