[  375.730578] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  375.745093] br0: port 1(c1) entered blocking state
[  375.745145] br0: port 1(c1) entered disabled state
[  375.745182] c1: entered allmulticast mode
[  375.745234] c1: entered promiscuous mode
[  375.758096] br0: port 2(c2) entered blocking state
[  375.758138] br0: port 2(c2) entered disabled state
[  375.758173] c2: entered allmulticast mode
[  375.758214] c2: entered promiscuous mode
[  375.770960] br0: port 3(c3) entered blocking state
[  375.771007] br0: port 3(c3) entered disabled state
[  375.771049] c3: entered allmulticast mode
[  375.771093] c3: entered promiscuous mode
[  375.783801] br0: port 4(sender) entered blocking state
[  375.783839] br0: port 4(sender) entered disabled state
[  375.783883] sender: entered allmulticast mode
[  375.783930] sender: entered promiscuous mode
[  375.788916] br0: port 4(sender) entered blocking state
[  375.788954] br0: port 4(sender) entered forwarding state
[  375.788985] br0: port 3(c3) entered blocking state
[  375.789014] br0: port 3(c3) entered forwarding state
[  375.789047] br0: port 2(c2) entered blocking state
[  375.789079] br0: port 2(c2) entered forwarding state
[  375.789106] br0: port 1(c1) entered blocking state
[  375.789142] br0: port 1(c1) entered forwarding state
[  375.796151] Bridge firewalling registered
[  386.474635] br0: port 1(c1) entered disabled state
[  386.474900] c1 (unregistering): left allmulticast mode
[  386.474940] c1 (unregistering): left promiscuous mode
[  386.474972] br0: port 1(c1) entered disabled state
[  386.499400] br0: port 2(c2) entered disabled state
[  386.499788] c2 (unregistering): left allmulticast mode
[  386.499866] c2 (unregistering): left promiscuous mode
[  386.499901] br0: port 2(c2) entered disabled state
[  386.526439] br0: port 4(sender) entered disabled state
[  386.526608] br0: port 3(c3) entered disabled state
[  386.526831] sender (unregistering): left allmulticast mode
[  386.526868] sender (unregistering): left promiscuous mode
[  386.526903] br0: port 4(sender) entered disabled state
[  386.527539] c3 (unregistering): left allmulticast mode
[  386.527609] c3 (unregistering): left promiscuous mode
[  386.527648] br0: port 3(c3) entered disabled state