[  425.017284] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  425.035260] br0: port 1(c1) entered blocking state
[  425.035347] br0: port 1(c1) entered disabled state
[  425.035379] c1: entered allmulticast mode
[  425.035458] c1: entered promiscuous mode
[  425.052479] br0: port 2(c2) entered blocking state
[  425.052522] br0: port 2(c2) entered disabled state
[  425.052558] c2: entered allmulticast mode
[  425.052618] c2: entered promiscuous mode
[  425.069207] br0: port 3(c3) entered blocking state
[  425.069282] br0: port 3(c3) entered disabled state
[  425.069342] c3: entered allmulticast mode
[  425.069418] c3: entered promiscuous mode
[  425.086247] br0: port 4(sender) entered blocking state
[  425.086321] br0: port 4(sender) entered disabled state
[  425.086382] sender: entered allmulticast mode
[  425.086458] sender: entered promiscuous mode
[  425.092848] br0: port 4(sender) entered blocking state
[  425.092930] br0: port 4(sender) entered forwarding state
[  425.093007] br0: port 3(c3) entered blocking state
[  425.093090] br0: port 3(c3) entered forwarding state
[  425.093188] br0: port 2(c2) entered blocking state
[  425.093292] br0: port 2(c2) entered forwarding state
[  425.093378] br0: port 1(c1) entered blocking state
[  425.093447] br0: port 1(c1) entered forwarding state
[  425.101326] Bridge firewalling registered
[  435.733164] br0: port 1(c1) entered disabled state
[  435.733375] c1 (unregistering): left allmulticast mode
[  435.733477] c1 (unregistering): left promiscuous mode
[  435.733565] br0: port 1(c1) entered disabled state
[  435.753124] br0: port 2(c2) entered disabled state
[  435.753297] c2 (unregistering): left allmulticast mode
[  435.753361] c2 (unregistering): left promiscuous mode
[  435.753422] br0: port 2(c2) entered disabled state
[  435.775135] br0: port 4(sender) entered disabled state
[  435.775214] br0: port 3(c3) entered disabled state
[  435.775347] sender (unregistering): left allmulticast mode
[  435.775377] sender (unregistering): left promiscuous mode
[  435.775409] br0: port 4(sender) entered disabled state
[  435.775624] c3 (unregistering): left allmulticast mode
[  435.775653] c3 (unregistering): left promiscuous mode
[  435.775686] br0: port 3(c3) entered disabled state