[  426.178004] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  426.193308] br0: port 1(c1) entered blocking state
[  426.193383] br0: port 1(c1) entered disabled state
[  426.193452] c1: entered allmulticast mode
[  426.193543] c1: entered promiscuous mode
[  426.206865] br0: port 2(c2) entered blocking state
[  426.206948] br0: port 2(c2) entered disabled state
[  426.207028] c2: entered allmulticast mode
[  426.207141] c2: entered promiscuous mode
[  426.220462] br0: port 3(c3) entered blocking state
[  426.220535] br0: port 3(c3) entered disabled state
[  426.220601] c3: entered allmulticast mode
[  426.220684] c3: entered promiscuous mode
[  426.233839] br0: port 4(sender) entered blocking state
[  426.233885] br0: port 4(sender) entered disabled state
[  426.233915] sender: entered allmulticast mode
[  426.233975] sender: entered promiscuous mode
[  426.239124] br0: port 4(sender) entered blocking state
[  426.239216] br0: port 4(sender) entered forwarding state
[  426.239283] br0: port 3(c3) entered blocking state
[  426.239356] br0: port 3(c3) entered forwarding state
[  426.239421] br0: port 2(c2) entered blocking state
[  426.239483] br0: port 2(c2) entered forwarding state
[  426.239559] br0: port 1(c1) entered blocking state
[  426.239633] br0: port 1(c1) entered forwarding state
[  426.247082] Bridge firewalling registered
[  436.922030] br0: port 1(c1) entered disabled state
[  436.922281] c1 (unregistering): left allmulticast mode
[  436.922326] c1 (unregistering): left promiscuous mode
[  436.922363] br0: port 1(c1) entered disabled state
[  436.944014] br0: port 2(c2) entered disabled state
[  436.944158] c2 (unregistering): left allmulticast mode
[  436.944208] c2 (unregistering): left promiscuous mode
[  436.944246] br0: port 2(c2) entered disabled state
[  436.968993] br0: port 4(sender) entered disabled state
[  436.969080] br0: port 3(c3) entered disabled state
[  436.969200] sender (unregistering): left allmulticast mode
[  436.969244] sender (unregistering): left promiscuous mode
[  436.969276] br0: port 4(sender) entered disabled state
[  436.969453] c3 (unregistering): left allmulticast mode
[  436.969490] c3 (unregistering): left promiscuous mode
[  436.969522] br0: port 3(c3) entered disabled state