[  406.927242] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  406.941368] br0: port 1(c1) entered blocking state
[  406.941418] br0: port 1(c1) entered disabled state
[  406.941465] c1: entered allmulticast mode
[  406.941525] c1: entered promiscuous mode
[  406.956337] br0: port 2(c2) entered blocking state
[  406.956378] br0: port 2(c2) entered disabled state
[  406.956414] c2: entered allmulticast mode
[  406.956463] c2: entered promiscuous mode
[  406.969796] br0: port 3(c3) entered blocking state
[  406.969844] br0: port 3(c3) entered disabled state
[  406.969880] c3: entered allmulticast mode
[  406.969927] c3: entered promiscuous mode
[  406.983601] br0: port 4(sender) entered blocking state
[  406.983680] br0: port 4(sender) entered disabled state
[  406.983752] sender: entered allmulticast mode
[  406.983860] sender: entered promiscuous mode
[  406.989116] br0: port 4(sender) entered blocking state
[  406.989196] br0: port 4(sender) entered forwarding state
[  406.989277] br0: port 3(c3) entered blocking state
[  406.989351] br0: port 3(c3) entered forwarding state
[  406.989429] br0: port 2(c2) entered blocking state
[  406.989505] br0: port 2(c2) entered forwarding state
[  406.989582] br0: port 1(c1) entered blocking state
[  406.989657] br0: port 1(c1) entered forwarding state
[  406.997578] Bridge firewalling registered
[  417.675118] br0: port 1(c1) entered disabled state
[  417.675341] c1 (unregistering): left allmulticast mode
[  417.675388] c1 (unregistering): left promiscuous mode
[  417.675429] br0: port 1(c1) entered disabled state
[  417.699087] br0: port 2(c2) entered disabled state
[  417.699235] c2 (unregistering): left allmulticast mode
[  417.699269] c2 (unregistering): left promiscuous mode
[  417.699315] br0: port 2(c2) entered disabled state
[  417.722095] br0: port 4(sender) entered disabled state
[  417.722192] br0: port 3(c3) entered disabled state
[  417.722325] sender (unregistering): left allmulticast mode
[  417.722373] sender (unregistering): left promiscuous mode
[  417.722413] br0: port 4(sender) entered disabled state
[  417.722593] c3 (unregistering): left allmulticast mode
[  417.722635] c3 (unregistering): left promiscuous mode
[  417.722672] br0: port 3(c3) entered disabled state