[  393.019186] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  393.034897] br0: port 1(c1) entered blocking state
[  393.034940] br0: port 1(c1) entered disabled state
[  393.034975] c1: entered allmulticast mode
[  393.035022] c1: entered promiscuous mode
[  393.048406] br0: port 2(c2) entered blocking state
[  393.048442] br0: port 2(c2) entered disabled state
[  393.048475] c2: entered allmulticast mode
[  393.048519] c2: entered promiscuous mode
[  393.061462] br0: port 3(c3) entered blocking state
[  393.061497] br0: port 3(c3) entered disabled state
[  393.061532] c3: entered allmulticast mode
[  393.061574] c3: entered promiscuous mode
[  393.074196] br0: port 4(sender) entered blocking state
[  393.074230] br0: port 4(sender) entered disabled state
[  393.074265] sender: entered allmulticast mode
[  393.074314] sender: entered promiscuous mode
[  393.079265] br0: port 4(sender) entered blocking state
[  393.079298] br0: port 4(sender) entered forwarding state
[  393.079333] br0: port 3(c3) entered blocking state
[  393.079363] br0: port 3(c3) entered forwarding state
[  393.079403] br0: port 2(c2) entered blocking state
[  393.079431] br0: port 2(c2) entered forwarding state
[  393.079464] br0: port 1(c1) entered blocking state
[  393.079497] br0: port 1(c1) entered forwarding state
[  393.086707] Bridge firewalling registered
[  403.710373] br0: port 1(c1) entered disabled state
[  403.711021] c1 (unregistering): left allmulticast mode
[  403.711063] c1 (unregistering): left promiscuous mode
[  403.711093] br0: port 1(c1) entered disabled state
[  403.734105] br0: port 2(c2) entered disabled state
[  403.734417] c2 (unregistering): left allmulticast mode
[  403.734497] c2 (unregistering): left promiscuous mode
[  403.734534] br0: port 2(c2) entered disabled state
[  403.766036] br0: port 4(sender) entered disabled state
[  403.766126] br0: port 3(c3) entered disabled state
[  403.766551] sender (unregistering): left allmulticast mode
[  403.766628] sender (unregistering): left promiscuous mode
[  403.766663] br0: port 4(sender) entered disabled state
[  403.767000] c3 (unregistering): left allmulticast mode
[  403.767037] c3 (unregistering): left promiscuous mode
[  403.767067] br0: port 3(c3) entered disabled state