[  426.422682] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  426.438521] br0: port 1(c1) entered blocking state
[  426.438602] br0: port 1(c1) entered disabled state
[  426.438673] c1: entered allmulticast mode
[  426.438763] c1: entered promiscuous mode
[  426.453344] br0: port 2(c2) entered blocking state
[  426.453417] br0: port 2(c2) entered disabled state
[  426.453487] c2: entered allmulticast mode
[  426.453579] c2: entered promiscuous mode
[  426.467910] br0: port 3(c3) entered blocking state
[  426.467955] br0: port 3(c3) entered disabled state
[  426.467993] c3: entered allmulticast mode
[  426.468035] c3: entered promiscuous mode
[  426.482226] br0: port 4(sender) entered blocking state
[  426.482273] br0: port 4(sender) entered disabled state
[  426.482303] sender: entered allmulticast mode
[  426.482358] sender: entered promiscuous mode
[  426.488010] br0: port 4(sender) entered blocking state
[  426.488055] br0: port 4(sender) entered forwarding state
[  426.488092] br0: port 3(c3) entered blocking state
[  426.488125] br0: port 3(c3) entered forwarding state
[  426.488155] br0: port 2(c2) entered blocking state
[  426.488179] br0: port 2(c2) entered forwarding state
[  426.488210] br0: port 1(c1) entered blocking state
[  426.488239] br0: port 1(c1) entered forwarding state
[  426.494875] Bridge firewalling registered
[  437.126424] br0: port 1(c1) entered disabled state
[  437.126629] c1 (unregistering): left allmulticast mode
[  437.126661] c1 (unregistering): left promiscuous mode
[  437.126686] br0: port 1(c1) entered disabled state
[  437.146635] br0: port 2(c2) entered disabled state
[  437.146798] c2 (unregistering): left allmulticast mode
[  437.146831] c2 (unregistering): left promiscuous mode
[  437.146866] br0: port 2(c2) entered disabled state
[  437.162685] br0: port 4(sender) entered disabled state
[  437.162765] br0: port 3(c3) entered disabled state
[  437.162908] sender (unregistering): left allmulticast mode
[  437.162939] sender (unregistering): left promiscuous mode
[  437.162969] br0: port 4(sender) entered disabled state
[  437.163186] c3 (unregistering): left allmulticast mode
[  437.163214] c3 (unregistering): left promiscuous mode
[  437.163245] br0: port 3(c3) entered disabled state