[  405.226331] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  405.239004] br0: port 1(c1) entered blocking state
[  405.239054] br0: port 1(c1) entered disabled state
[  405.239088] c1: entered allmulticast mode
[  405.239135] c1: entered promiscuous mode
[  405.253222] br0: port 2(c2) entered blocking state
[  405.253293] br0: port 2(c2) entered disabled state
[  405.253357] c2: entered allmulticast mode
[  405.253444] c2: entered promiscuous mode
[  405.266146] br0: port 3(c3) entered blocking state
[  405.266211] br0: port 3(c3) entered disabled state
[  405.266276] c3: entered allmulticast mode
[  405.266349] c3: entered promiscuous mode
[  405.278504] br0: port 4(sender) entered blocking state
[  405.278543] br0: port 4(sender) entered disabled state
[  405.278584] sender: entered allmulticast mode
[  405.278642] sender: entered promiscuous mode
[  405.283375] br0: port 4(sender) entered blocking state
[  405.283407] br0: port 4(sender) entered forwarding state
[  405.283442] br0: port 3(c3) entered blocking state
[  405.283471] br0: port 3(c3) entered forwarding state
[  405.283501] br0: port 2(c2) entered blocking state
[  405.283527] br0: port 2(c2) entered forwarding state
[  405.283551] br0: port 1(c1) entered blocking state
[  405.283583] br0: port 1(c1) entered forwarding state
[  405.290333] Bridge firewalling registered
[  415.956126] br0: port 1(c1) entered disabled state
[  415.956298] c1 (unregistering): left allmulticast mode
[  415.956331] c1 (unregistering): left promiscuous mode
[  415.956360] br0: port 1(c1) entered disabled state
[  415.981098] br0: port 2(c2) entered disabled state
[  415.981328] c2 (unregistering): left allmulticast mode
[  415.981372] c2 (unregistering): left promiscuous mode
[  415.981406] br0: port 2(c2) entered disabled state
[  416.010084] br0: port 4(sender) entered disabled state
[  416.010175] br0: port 3(c3) entered disabled state
[  416.010299] sender (unregistering): left allmulticast mode
[  416.010345] sender (unregistering): left promiscuous mode
[  416.010376] br0: port 4(sender) entered disabled state
[  416.010575] c3 (unregistering): left allmulticast mode
[  416.010616] c3 (unregistering): left promiscuous mode
[  416.010653] br0: port 3(c3) entered disabled state