[  420.480522] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  420.498095] br0: port 1(c1) entered blocking state
[  420.498132] br0: port 1(c1) entered disabled state
[  420.498166] c1: entered allmulticast mode
[  420.498209] c1: entered promiscuous mode
[  420.514845] br0: port 2(c2) entered blocking state
[  420.514883] br0: port 2(c2) entered disabled state
[  420.514922] c2: entered allmulticast mode
[  420.514965] c2: entered promiscuous mode
[  420.531642] br0: port 3(c3) entered blocking state
[  420.531678] br0: port 3(c3) entered disabled state
[  420.531716] c3: entered allmulticast mode
[  420.531755] c3: entered promiscuous mode
[  420.548459] br0: port 4(sender) entered blocking state
[  420.548521] br0: port 4(sender) entered disabled state
[  420.548585] sender: entered allmulticast mode
[  420.548668] sender: entered promiscuous mode
[  420.555211] br0: port 4(sender) entered blocking state
[  420.555257] br0: port 4(sender) entered forwarding state
[  420.555291] br0: port 3(c3) entered blocking state
[  420.555321] br0: port 3(c3) entered forwarding state
[  420.555345] br0: port 2(c2) entered blocking state
[  420.555374] br0: port 2(c2) entered forwarding state
[  420.555406] br0: port 1(c1) entered blocking state
[  420.555437] br0: port 1(c1) entered forwarding state
[  420.563071] Bridge firewalling registered
[  431.237110] br0: port 1(c1) entered disabled state
[  431.237277] c1 (unregistering): left allmulticast mode
[  431.237308] c1 (unregistering): left promiscuous mode
[  431.237338] br0: port 1(c1) entered disabled state
[  431.258086] br0: port 2(c2) entered disabled state
[  431.258368] c2 (unregistering): left allmulticast mode
[  431.258436] c2 (unregistering): left promiscuous mode
[  431.258499] br0: port 2(c2) entered disabled state
[  431.279095] br0: port 4(sender) entered disabled state
[  431.279209] br0: port 3(c3) entered disabled state
[  431.279430] sender (unregistering): left allmulticast mode
[  431.279519] sender (unregistering): left promiscuous mode
[  431.279608] br0: port 4(sender) entered disabled state
[  431.279894] c3 (unregistering): left allmulticast mode
[  431.279958] c3 (unregistering): left promiscuous mode
[  431.280070] br0: port 3(c3) entered disabled state