[  426.303997] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  426.319935] br0: port 1(c1) entered blocking state
[  426.319979] br0: port 1(c1) entered disabled state
[  426.320013] c1: entered allmulticast mode
[  426.320059] c1: entered promiscuous mode
[  426.335446] br0: port 2(c2) entered blocking state
[  426.335528] br0: port 2(c2) entered disabled state
[  426.335613] c2: entered allmulticast mode
[  426.335715] c2: entered promiscuous mode
[  426.351186] br0: port 3(c3) entered blocking state
[  426.351277] br0: port 3(c3) entered disabled state
[  426.351365] c3: entered allmulticast mode
[  426.351456] c3: entered promiscuous mode
[  426.366453] br0: port 4(sender) entered blocking state
[  426.366490] br0: port 4(sender) entered disabled state
[  426.366533] sender: entered allmulticast mode
[  426.366587] sender: entered promiscuous mode
[  426.372104] br0: port 4(sender) entered blocking state
[  426.372136] br0: port 4(sender) entered forwarding state
[  426.372173] br0: port 3(c3) entered blocking state
[  426.372206] br0: port 3(c3) entered forwarding state
[  426.372242] br0: port 2(c2) entered blocking state
[  426.372267] br0: port 2(c2) entered forwarding state
[  426.372297] br0: port 1(c1) entered blocking state
[  426.372327] br0: port 1(c1) entered forwarding state
[  426.379282] Bridge firewalling registered
[  437.028825] br0: port 1(c1) entered disabled state
[  437.029221] c1 (unregistering): left allmulticast mode
[  437.029257] c1 (unregistering): left promiscuous mode
[  437.029291] br0: port 1(c1) entered disabled state
[  437.052087] br0: port 2(c2) entered disabled state
[  437.052286] c2 (unregistering): left allmulticast mode
[  437.052326] c2 (unregistering): left promiscuous mode
[  437.052360] br0: port 2(c2) entered disabled state
[  437.075070] br0: port 4(sender) entered disabled state
[  437.075161] br0: port 3(c3) entered disabled state
[  437.075326] sender (unregistering): left allmulticast mode
[  437.075366] sender (unregistering): left promiscuous mode
[  437.075399] br0: port 4(sender) entered disabled state
[  437.075740] c3 (unregistering): left allmulticast mode
[  437.075782] c3 (unregistering): left promiscuous mode
[  437.075813] br0: port 3(c3) entered disabled state