[  421.885061] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  421.905528] br0: port 1(c1) entered blocking state
[  421.905609] br0: port 1(c1) entered disabled state
[  421.905693] c1: entered allmulticast mode
[  421.905790] c1: entered promiscuous mode
[  421.920713] br0: port 2(c2) entered blocking state
[  421.920752] br0: port 2(c2) entered disabled state
[  421.920783] c2: entered allmulticast mode
[  421.920819] c2: entered promiscuous mode
[  421.935773] br0: port 3(c3) entered blocking state
[  421.935806] br0: port 3(c3) entered disabled state
[  421.935842] c3: entered allmulticast mode
[  421.935885] c3: entered promiscuous mode
[  421.951067] br0: port 4(sender) entered blocking state
[  421.951136] br0: port 4(sender) entered disabled state
[  421.951254] sender: entered allmulticast mode
[  421.951349] sender: entered promiscuous mode
[  421.957239] br0: port 4(sender) entered blocking state
[  421.957307] br0: port 4(sender) entered forwarding state
[  421.957375] br0: port 3(c3) entered blocking state
[  421.957451] br0: port 3(c3) entered forwarding state
[  421.957518] br0: port 2(c2) entered blocking state
[  421.957583] br0: port 2(c2) entered forwarding state
[  421.957649] br0: port 1(c1) entered blocking state
[  421.957713] br0: port 1(c1) entered forwarding state
[  421.965421] Bridge firewalling registered
[  432.583982] br0: port 1(c1) entered disabled state
[  432.584159] c1 (unregistering): left allmulticast mode
[  432.584202] c1 (unregistering): left promiscuous mode
[  432.584240] br0: port 1(c1) entered disabled state
[  432.612936] br0: port 2(c2) entered disabled state
[  432.613264] c2 (unregistering): left allmulticast mode
[  432.613306] c2 (unregistering): left promiscuous mode
[  432.613343] br0: port 2(c2) entered disabled state
[  432.632930] br0: port 4(sender) entered disabled state
[  432.633027] br0: port 3(c3) entered disabled state
[  432.633168] sender (unregistering): left allmulticast mode
[  432.633202] sender (unregistering): left promiscuous mode
[  432.633229] br0: port 4(sender) entered disabled state
[  432.633398] c3 (unregistering): left allmulticast mode
[  432.633426] c3 (unregistering): left promiscuous mode
[  432.633466] br0: port 3(c3) entered disabled state