[  393.193063] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  393.207331] br0: port 1(c1) entered blocking state
[  393.207408] br0: port 1(c1) entered disabled state
[  393.207475] c1: entered allmulticast mode
[  393.207560] c1: entered promiscuous mode
[  393.220183] br0: port 2(c2) entered blocking state
[  393.220249] br0: port 2(c2) entered disabled state
[  393.220317] c2: entered allmulticast mode
[  393.220397] c2: entered promiscuous mode
[  393.232911] br0: port 3(c3) entered blocking state
[  393.232951] br0: port 3(c3) entered disabled state
[  393.232990] c3: entered allmulticast mode
[  393.233028] c3: entered promiscuous mode
[  393.245547] br0: port 4(sender) entered blocking state
[  393.245612] br0: port 4(sender) entered disabled state
[  393.245681] sender: entered allmulticast mode
[  393.245765] sender: entered promiscuous mode
[  393.250683] br0: port 4(sender) entered blocking state
[  393.250745] br0: port 4(sender) entered forwarding state
[  393.250815] br0: port 3(c3) entered blocking state
[  393.250886] br0: port 3(c3) entered forwarding state
[  393.250954] br0: port 2(c2) entered blocking state
[  393.251030] br0: port 2(c2) entered forwarding state
[  393.251099] br0: port 1(c1) entered blocking state
[  393.251164] br0: port 1(c1) entered forwarding state
[  393.258179] Bridge firewalling registered
[  403.929085] br0: port 1(c1) entered disabled state
[  403.929479] c1 (unregistering): left allmulticast mode
[  403.929550] c1 (unregistering): left promiscuous mode
[  403.929585] br0: port 1(c1) entered disabled state
[  403.955082] br0: port 3(c3) entered disabled state
[  403.955165] br0: port 2(c2) entered disabled state
[  403.955510] c3 (unregistering): left allmulticast mode
[  403.955578] c3 (unregistering): left promiscuous mode
[  403.955622] br0: port 3(c3) entered disabled state
[  403.955925] c2 (unregistering): left allmulticast mode
[  403.955986] c2 (unregistering): left promiscuous mode
[  403.956019] br0: port 2(c2) entered disabled state
[  403.974082] sender: left allmulticast mode
[  403.974151] sender: left promiscuous mode
[  403.974187] br0: port 4(sender) entered disabled state