[  425.998198] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  426.012975] br0: port 1(c1) entered blocking state
[  426.013014] br0: port 1(c1) entered disabled state
[  426.013056] c1: entered allmulticast mode
[  426.013107] c1: entered promiscuous mode
[  426.026914] br0: port 2(c2) entered blocking state
[  426.026985] br0: port 2(c2) entered disabled state
[  426.027055] c2: entered allmulticast mode
[  426.027140] c2: entered promiscuous mode
[  426.040622] br0: port 3(c3) entered blocking state
[  426.040657] br0: port 3(c3) entered disabled state
[  426.040691] c3: entered allmulticast mode
[  426.040733] c3: entered promiscuous mode
[  426.053960] br0: port 4(sender) entered blocking state
[  426.054026] br0: port 4(sender) entered disabled state
[  426.054097] sender: entered allmulticast mode
[  426.054188] sender: entered promiscuous mode
[  426.059356] br0: port 4(sender) entered blocking state
[  426.059420] br0: port 4(sender) entered forwarding state
[  426.059488] br0: port 3(c3) entered blocking state
[  426.059551] br0: port 3(c3) entered forwarding state
[  426.059617] br0: port 2(c2) entered blocking state
[  426.059680] br0: port 2(c2) entered forwarding state
[  426.059745] br0: port 1(c1) entered blocking state
[  426.059808] br0: port 1(c1) entered forwarding state
[  426.067117] Bridge firewalling registered
[  436.729404] br0: port 1(c1) entered disabled state
[  436.729662] c1 (unregistering): left allmulticast mode
[  436.729731] c1 (unregistering): left promiscuous mode
[  436.729793] br0: port 1(c1) entered disabled state
[  436.757654] br0: port 2(c2) entered disabled state
[  436.757925] c2 (unregistering): left allmulticast mode
[  436.757961] c2 (unregistering): left promiscuous mode
[  436.757990] br0: port 2(c2) entered disabled state
[  436.773403] br0: port 4(sender) entered disabled state
[  436.773479] br0: port 3(c3) entered disabled state
[  436.773996] sender (unregistering): left allmulticast mode
[  436.774093] sender (unregistering): left promiscuous mode
[  436.774135] br0: port 4(sender) entered disabled state
[  436.774968] c3 (unregistering): left allmulticast mode
[  436.775045] c3 (unregistering): left promiscuous mode
[  436.775085] br0: port 3(c3) entered disabled state