[  454.019622] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  454.034672] br0: port 1(c1) entered blocking state
[  454.034708] br0: port 1(c1) entered disabled state
[  454.034750] c1: entered allmulticast mode
[  454.034799] c1: entered promiscuous mode
[  454.049106] br0: port 2(c2) entered blocking state
[  454.049140] br0: port 2(c2) entered disabled state
[  454.049176] c2: entered allmulticast mode
[  454.049224] c2: entered promiscuous mode
[  454.063433] br0: port 3(c3) entered blocking state
[  454.063469] br0: port 3(c3) entered disabled state
[  454.063510] c3: entered allmulticast mode
[  454.063548] c3: entered promiscuous mode
[  454.077808] br0: port 4(sender) entered blocking state
[  454.077841] br0: port 4(sender) entered disabled state
[  454.077883] sender: entered allmulticast mode
[  454.077932] sender: entered promiscuous mode
[  454.083550] br0: port 4(sender) entered blocking state
[  454.083582] br0: port 4(sender) entered forwarding state
[  454.083616] br0: port 3(c3) entered blocking state
[  454.083648] br0: port 3(c3) entered forwarding state
[  454.083676] br0: port 2(c2) entered blocking state
[  454.083706] br0: port 2(c2) entered forwarding state
[  454.083737] br0: port 1(c1) entered blocking state
[  454.083764] br0: port 1(c1) entered forwarding state
[  454.090353] Bridge firewalling registered
[  464.695189] br0: port 1(c1) entered disabled state
[  464.695391] c1 (unregistering): left allmulticast mode
[  464.695447] c1 (unregistering): left promiscuous mode
[  464.695473] br0: port 1(c1) entered disabled state
[  464.711590] br0: port 2(c2) entered disabled state
[  464.711745] c2 (unregistering): left allmulticast mode
[  464.711783] c2 (unregistering): left promiscuous mode
[  464.711816] br0: port 2(c2) entered disabled state
[  464.731607] br0: port 4(sender) entered disabled state
[  464.731672] br0: port 3(c3) entered disabled state
[  464.731811] sender (unregistering): left allmulticast mode
[  464.731842] sender (unregistering): left promiscuous mode
[  464.731872] br0: port 4(sender) entered disabled state
[  464.732105] c3 (unregistering): left allmulticast mode
[  464.732135] c3 (unregistering): left promiscuous mode
[  464.732166] br0: port 3(c3) entered disabled state