[  407.227530] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  407.243302] br0: port 1(c1) entered blocking state
[  407.243343] br0: port 1(c1) entered disabled state
[  407.243385] c1: entered allmulticast mode
[  407.243442] c1: entered promiscuous mode
[  407.258142] br0: port 2(c2) entered blocking state
[  407.258185] br0: port 2(c2) entered disabled state
[  407.258223] c2: entered allmulticast mode
[  407.258269] c2: entered promiscuous mode
[  407.272908] br0: port 3(c3) entered blocking state
[  407.272943] br0: port 3(c3) entered disabled state
[  407.272975] c3: entered allmulticast mode
[  407.273022] c3: entered promiscuous mode
[  407.287143] br0: port 4(sender) entered blocking state
[  407.287180] br0: port 4(sender) entered disabled state
[  407.287217] sender: entered allmulticast mode
[  407.287277] sender: entered promiscuous mode
[  407.293015] br0: port 4(sender) entered blocking state
[  407.293081] br0: port 4(sender) entered forwarding state
[  407.293146] br0: port 3(c3) entered blocking state
[  407.293206] br0: port 3(c3) entered forwarding state
[  407.293272] br0: port 2(c2) entered blocking state
[  407.293336] br0: port 2(c2) entered forwarding state
[  407.293399] br0: port 1(c1) entered blocking state
[  407.293460] br0: port 1(c1) entered forwarding state
[  407.299931] Bridge firewalling registered
[  417.898579] br0: port 1(c1) entered disabled state
[  417.898792] c1 (unregistering): left allmulticast mode
[  417.898824] c1 (unregistering): left promiscuous mode
[  417.898854] br0: port 1(c1) entered disabled state
[  417.917744] br0: port 2(c2) entered disabled state
[  417.917937] c2 (unregistering): left allmulticast mode
[  417.917971] c2 (unregistering): left promiscuous mode
[  417.918001] br0: port 2(c2) entered disabled state
[  417.934733] br0: port 4(sender) entered disabled state
[  417.934817] br0: port 3(c3) entered disabled state
[  417.934974] sender (unregistering): left allmulticast mode
[  417.935012] sender (unregistering): left promiscuous mode
[  417.935043] br0: port 4(sender) entered disabled state
[  417.935336] c3 (unregistering): left allmulticast mode
[  417.935368] c3 (unregistering): left promiscuous mode
[  417.935398] br0: port 3(c3) entered disabled state