[  421.042341] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  421.057441] br0: port 1(c1) entered blocking state
[  421.057475] br0: port 1(c1) entered disabled state
[  421.057510] c1: entered allmulticast mode
[  421.057563] c1: entered promiscuous mode
[  421.072160] br0: port 2(c2) entered blocking state
[  421.072199] br0: port 2(c2) entered disabled state
[  421.072234] c2: entered allmulticast mode
[  421.072279] c2: entered promiscuous mode
[  421.087052] br0: port 3(c3) entered blocking state
[  421.087085] br0: port 3(c3) entered disabled state
[  421.087119] c3: entered allmulticast mode
[  421.087163] c3: entered promiscuous mode
[  421.101600] br0: port 4(sender) entered blocking state
[  421.101632] br0: port 4(sender) entered disabled state
[  421.101672] sender: entered allmulticast mode
[  421.101724] sender: entered promiscuous mode
[  421.107576] br0: port 4(sender) entered blocking state
[  421.107615] br0: port 4(sender) entered forwarding state
[  421.107653] br0: port 3(c3) entered blocking state
[  421.107687] br0: port 3(c3) entered forwarding state
[  421.107721] br0: port 2(c2) entered blocking state
[  421.107750] br0: port 2(c2) entered forwarding state
[  421.107782] br0: port 1(c1) entered blocking state
[  421.107810] br0: port 1(c1) entered forwarding state
[  421.115252] Bridge firewalling registered
[  431.723806] br0: port 1(c1) entered disabled state
[  431.723966] c1 (unregistering): left allmulticast mode
[  431.723995] c1 (unregistering): left promiscuous mode
[  431.724028] br0: port 1(c1) entered disabled state
[  431.754801] br0: port 3(c3) entered disabled state
[  431.754885] br0: port 2(c2) entered disabled state
[  431.755017] c3 (unregistering): left allmulticast mode
[  431.755047] c3 (unregistering): left promiscuous mode
[  431.755078] br0: port 3(c3) entered disabled state
[  431.755298] c2 (unregistering): left allmulticast mode
[  431.755327] c2 (unregistering): left promiscuous mode
[  431.755356] br0: port 2(c2) entered disabled state
[  431.781812] sender: left allmulticast mode
[  431.781845] sender: left promiscuous mode
[  431.781875] br0: port 4(sender) entered disabled state