[  375.777078] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  375.791778] br0: port 1(c1) entered blocking state
[  375.791812] br0: port 1(c1) entered disabled state
[  375.791846] c1: entered allmulticast mode
[  375.791888] c1: entered promiscuous mode
[  375.805563] br0: port 2(c2) entered blocking state
[  375.805598] br0: port 2(c2) entered disabled state
[  375.805636] c2: entered allmulticast mode
[  375.805688] c2: entered promiscuous mode
[  375.819195] br0: port 3(c3) entered blocking state
[  375.819256] br0: port 3(c3) entered disabled state
[  375.819326] c3: entered allmulticast mode
[  375.819405] c3: entered promiscuous mode
[  375.833034] br0: port 4(sender) entered blocking state
[  375.833066] br0: port 4(sender) entered disabled state
[  375.833100] sender: entered allmulticast mode
[  375.833147] sender: entered promiscuous mode
[  375.838469] br0: port 4(sender) entered blocking state
[  375.838528] br0: port 4(sender) entered forwarding state
[  375.838599] br0: port 3(c3) entered blocking state
[  375.838674] br0: port 3(c3) entered forwarding state
[  375.838744] br0: port 2(c2) entered blocking state
[  375.838813] br0: port 2(c2) entered forwarding state
[  375.838882] br0: port 1(c1) entered blocking state
[  375.838950] br0: port 1(c1) entered forwarding state
[  375.845320] Bridge firewalling registered
[  386.502849] br0: port 1(c1) entered disabled state
[  386.503367] c1 (unregistering): left allmulticast mode
[  386.503402] c1 (unregistering): left promiscuous mode
[  386.503440] br0: port 1(c1) entered disabled state
[  386.535731] br0: port 3(c3) entered disabled state
[  386.535809] br0: port 2(c2) entered disabled state
[  386.535931] c3 (unregistering): left allmulticast mode
[  386.535962] c3 (unregistering): left promiscuous mode
[  386.535990] br0: port 3(c3) entered disabled state
[  386.536164] c2 (unregistering): left allmulticast mode
[  386.536193] c2 (unregistering): left promiscuous mode
[  386.536219] br0: port 2(c2) entered disabled state
[  386.556736] sender: left allmulticast mode
[  386.556770] sender: left promiscuous mode
[  386.556805] br0: port 4(sender) entered disabled state