[   16.987620] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[   17.023045] ip (2003) used greatest stack depth: 12272 bytes left
[   17.071399] br0: port 1(c1) entered blocking state
[   17.071475] br0: port 1(c1) entered disabled state
[   17.071538] c1: entered allmulticast mode
[   17.071619] c1: entered promiscuous mode
[   17.152512] br0: port 2(c2) entered blocking state
[   17.152565] br0: port 2(c2) entered disabled state
[   17.152611] c2: entered allmulticast mode
[   17.152671] c2: entered promiscuous mode
[   17.226728] br0: port 3(c3) entered blocking state
[   17.226801] br0: port 3(c3) entered disabled state
[   17.226860] c3: entered allmulticast mode
[   17.226938] c3: entered promiscuous mode
[   17.303865] br0: port 4(sender) entered blocking state
[   17.303939] br0: port 4(sender) entered disabled state
[   17.304001] sender: entered allmulticast mode
[   17.304086] sender: entered promiscuous mode
[   17.334521] br0: port 4(sender) entered blocking state
[   17.334597] br0: port 4(sender) entered forwarding state
[   17.334654] br0: port 3(c3) entered blocking state
[   17.334731] br0: port 3(c3) entered forwarding state
[   17.334774] br0: port 2(c2) entered blocking state
[   17.334820] br0: port 2(c2) entered forwarding state
[   17.334859] br0: port 1(c1) entered blocking state
[   17.334895] br0: port 1(c1) entered forwarding state
[   17.365580] Bridge firewalling registered
[   28.209881] br0: port 1(c1) entered disabled state
[   28.210112] c1 (unregistering): left allmulticast mode
[   28.210167] c1 (unregistering): left promiscuous mode
[   28.210216] br0: port 1(c1) entered disabled state
[   28.265880] br0: port 2(c2) entered disabled state
[   28.266283] c2 (unregistering): left allmulticast mode
[   28.266328] c2 (unregistering): left promiscuous mode
[   28.266365] br0: port 2(c2) entered disabled state
[   28.310872] br0: port 3(c3) entered disabled state
[   28.311070] c3 (unregistering): left allmulticast mode
[   28.311128] c3 (unregistering): left promiscuous mode
[   28.311181] br0: port 3(c3) entered disabled state
[   28.367857] br0: port 4(sender) entered disabled state
[   28.368034] sender (unregistering): left allmulticast mode
[   28.368078] sender (unregistering): left promiscuous mode
[   28.368116] br0: port 4(sender) entered disabled state