[  448.832523] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  448.848226] br0: port 1(c1) entered blocking state
[  448.848268] br0: port 1(c1) entered disabled state
[  448.848304] c1: entered allmulticast mode
[  448.848348] c1: entered promiscuous mode
[  448.862979] br0: port 2(c2) entered blocking state
[  448.863018] br0: port 2(c2) entered disabled state
[  448.863052] c2: entered allmulticast mode
[  448.863093] c2: entered promiscuous mode
[  448.877739] br0: port 3(c3) entered blocking state
[  448.877789] br0: port 3(c3) entered disabled state
[  448.877823] c3: entered allmulticast mode
[  448.877864] c3: entered promiscuous mode
[  448.892337] br0: port 4(sender) entered blocking state
[  448.892375] br0: port 4(sender) entered disabled state
[  448.892408] sender: entered allmulticast mode
[  448.892458] sender: entered promiscuous mode
[  448.898074] br0: port 4(sender) entered blocking state
[  448.898113] br0: port 4(sender) entered forwarding state
[  448.898149] br0: port 3(c3) entered blocking state
[  448.898182] br0: port 3(c3) entered forwarding state
[  448.898214] br0: port 2(c2) entered blocking state
[  448.898246] br0: port 2(c2) entered forwarding state
[  448.898276] br0: port 1(c1) entered blocking state
[  448.898302] br0: port 1(c1) entered forwarding state
[  448.904922] Bridge firewalling registered
[  459.541362] br0: port 1(c1) entered disabled state
[  459.541644] c1 (unregistering): left allmulticast mode
[  459.541676] c1 (unregistering): left promiscuous mode
[  459.541704] br0: port 1(c1) entered disabled state
[  459.562880] br0: port 2(c2) entered disabled state
[  459.563032] c2 (unregistering): left allmulticast mode
[  459.563063] c2 (unregistering): left promiscuous mode
[  459.563091] br0: port 2(c2) entered disabled state
[  459.583899] br0: port 4(sender) entered disabled state
[  459.583977] br0: port 3(c3) entered disabled state
[  459.584113] sender (unregistering): left allmulticast mode
[  459.584142] sender (unregistering): left promiscuous mode
[  459.584172] br0: port 4(sender) entered disabled state
[  459.584387] c3 (unregistering): left allmulticast mode
[  459.584417] c3 (unregistering): left promiscuous mode
[  459.584456] br0: port 3(c3) entered disabled state