[  406.473145] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  406.487813] br0: port 1(c1) entered blocking state
[  406.487855] br0: port 1(c1) entered disabled state
[  406.487890] c1: entered allmulticast mode
[  406.487934] c1: entered promiscuous mode
[  406.500858] br0: port 2(c2) entered blocking state
[  406.500903] br0: port 2(c2) entered disabled state
[  406.500935] c2: entered allmulticast mode
[  406.500977] c2: entered promiscuous mode
[  406.513867] br0: port 3(c3) entered blocking state
[  406.513912] br0: port 3(c3) entered disabled state
[  406.513947] c3: entered allmulticast mode
[  406.513987] c3: entered promiscuous mode
[  406.526898] br0: port 4(sender) entered blocking state
[  406.526935] br0: port 4(sender) entered disabled state
[  406.526971] sender: entered allmulticast mode
[  406.527019] sender: entered promiscuous mode
[  406.531996] br0: port 4(sender) entered blocking state
[  406.532030] br0: port 4(sender) entered forwarding state
[  406.532063] br0: port 3(c3) entered blocking state
[  406.532094] br0: port 3(c3) entered forwarding state
[  406.532123] br0: port 2(c2) entered blocking state
[  406.532153] br0: port 2(c2) entered forwarding state
[  406.532189] br0: port 1(c1) entered blocking state
[  406.532224] br0: port 1(c1) entered forwarding state
[  406.539439] Bridge firewalling registered
[  417.162260] br0: port 1(c1) entered disabled state
[  417.162418] c1 (unregistering): left allmulticast mode
[  417.162458] c1 (unregistering): left promiscuous mode
[  417.162495] br0: port 1(c1) entered disabled state
[  417.184256] br0: port 2(c2) entered disabled state
[  417.184393] c2 (unregistering): left allmulticast mode
[  417.184430] c2 (unregistering): left promiscuous mode
[  417.184458] br0: port 2(c2) entered disabled state
[  417.207261] br0: port 4(sender) entered disabled state
[  417.207340] br0: port 3(c3) entered disabled state
[  417.207450] sender (unregistering): left allmulticast mode
[  417.207481] sender (unregistering): left promiscuous mode
[  417.207509] br0: port 4(sender) entered disabled state
[  417.207684] c3 (unregistering): left allmulticast mode
[  417.207718] c3 (unregistering): left promiscuous mode
[  417.207746] br0: port 3(c3) entered disabled state