[  393.573998] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  393.586456] br0: port 1(c1) entered blocking state
[  393.586505] br0: port 1(c1) entered disabled state
[  393.586540] c1: entered allmulticast mode
[  393.586595] c1: entered promiscuous mode
[  393.599827] br0: port 2(c2) entered blocking state
[  393.599901] br0: port 2(c2) entered disabled state
[  393.599969] c2: entered allmulticast mode
[  393.600057] c2: entered promiscuous mode
[  393.612258] br0: port 3(c3) entered blocking state
[  393.612328] br0: port 3(c3) entered disabled state
[  393.612398] c3: entered allmulticast mode
[  393.612480] c3: entered promiscuous mode
[  393.624719] br0: port 4(sender) entered blocking state
[  393.624794] br0: port 4(sender) entered disabled state
[  393.624868] sender: entered allmulticast mode
[  393.624961] sender: entered promiscuous mode
[  393.629785] br0: port 4(sender) entered blocking state
[  393.629859] br0: port 4(sender) entered forwarding state
[  393.629931] br0: port 3(c3) entered blocking state
[  393.629997] br0: port 3(c3) entered forwarding state
[  393.630065] br0: port 2(c2) entered blocking state
[  393.630131] br0: port 2(c2) entered forwarding state
[  393.630198] br0: port 1(c1) entered blocking state
[  393.630263] br0: port 1(c1) entered forwarding state
[  393.637119] Bridge firewalling registered
[  404.248867] br0: port 1(c1) entered disabled state
[  404.249050] c1 (unregistering): left allmulticast mode
[  404.249091] c1 (unregistering): left promiscuous mode
[  404.249124] br0: port 1(c1) entered disabled state
[  404.277849] br0: port 3(c3) entered disabled state
[  404.277949] br0: port 2(c2) entered disabled state
[  404.278099] c3 (unregistering): left allmulticast mode
[  404.278142] c3 (unregistering): left promiscuous mode
[  404.278188] br0: port 3(c3) entered disabled state
[  404.278412] c2 (unregistering): left allmulticast mode
[  404.278451] c2 (unregistering): left promiscuous mode
[  404.278484] br0: port 2(c2) entered disabled state
[  404.295881] sender: left allmulticast mode
[  404.295921] sender: left promiscuous mode
[  404.295964] br0: port 4(sender) entered disabled state