[  447.146657] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  447.167048] br0: port 1(c1) entered blocking state
[  447.167097] br0: port 1(c1) entered disabled state
[  447.167124] c1: entered allmulticast mode
[  447.167168] c1: entered promiscuous mode
[  447.187309] br0: port 2(c2) entered blocking state
[  447.187354] br0: port 2(c2) entered disabled state
[  447.187384] c2: entered allmulticast mode
[  447.187420] c2: entered promiscuous mode
[  447.207557] br0: port 3(c3) entered blocking state
[  447.207603] br0: port 3(c3) entered disabled state
[  447.207625] c3: entered allmulticast mode
[  447.207659] c3: entered promiscuous mode
[  447.226686] br0: port 4(sender) entered blocking state
[  447.226733] br0: port 4(sender) entered disabled state
[  447.226753] sender: entered allmulticast mode
[  447.226797] sender: entered promiscuous mode
[  447.234008] br0: port 4(sender) entered blocking state
[  447.234052] br0: port 4(sender) entered forwarding state
[  447.234075] br0: port 3(c3) entered blocking state
[  447.234099] br0: port 3(c3) entered forwarding state
[  447.234131] br0: port 2(c2) entered blocking state
[  447.234148] br0: port 2(c2) entered forwarding state
[  447.234168] br0: port 1(c1) entered blocking state
[  447.234185] br0: port 1(c1) entered forwarding state
[  447.241884] Bridge firewalling registered
[  457.908502] br0: port 1(c1) entered disabled state
[  457.908786] c1 (unregistering): left allmulticast mode
[  457.908818] c1 (unregistering): left promiscuous mode
[  457.908852] br0: port 1(c1) entered disabled state
[  457.927217] br0: port 2(c2) entered disabled state
[  457.927367] c2 (unregistering): left allmulticast mode
[  457.927411] c2 (unregistering): left promiscuous mode
[  457.927432] br0: port 2(c2) entered disabled state
[  457.949367] br0: port 4(sender) entered disabled state
[  457.949444] br0: port 3(c3) entered disabled state
[  457.949758] sender (unregistering): left allmulticast mode
[  457.949791] sender (unregistering): left promiscuous mode
[  457.949821] br0: port 4(sender) entered disabled state
[  457.950193] c3 (unregistering): left allmulticast mode
[  457.950225] c3 (unregistering): left promiscuous mode
[  457.950249] br0: port 3(c3) entered disabled state