[  426.136789] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  426.155088] br0: port 1(c1) entered blocking state
[  426.155139] br0: port 1(c1) entered disabled state
[  426.155174] c1: entered allmulticast mode
[  426.155230] c1: entered promiscuous mode
[  426.172053] br0: port 2(c2) entered blocking state
[  426.172101] br0: port 2(c2) entered disabled state
[  426.172137] c2: entered allmulticast mode
[  426.172199] c2: entered promiscuous mode
[  426.188817] br0: port 3(c3) entered blocking state
[  426.188860] br0: port 3(c3) entered disabled state
[  426.188896] c3: entered allmulticast mode
[  426.188944] c3: entered promiscuous mode
[  426.205114] br0: port 4(sender) entered blocking state
[  426.205161] br0: port 4(sender) entered disabled state
[  426.205195] sender: entered allmulticast mode
[  426.205255] sender: entered promiscuous mode
[  426.211502] br0: port 4(sender) entered blocking state
[  426.211535] br0: port 4(sender) entered forwarding state
[  426.211573] br0: port 3(c3) entered blocking state
[  426.211605] br0: port 3(c3) entered forwarding state
[  426.211635] br0: port 2(c2) entered blocking state
[  426.211664] br0: port 2(c2) entered forwarding state
[  426.211704] br0: port 1(c1) entered blocking state
[  426.211733] br0: port 1(c1) entered forwarding state
[  426.219049] Bridge firewalling registered
[  436.817107] br0: port 1(c1) entered disabled state
[  436.817349] c1 (unregistering): left allmulticast mode
[  436.817419] c1 (unregistering): left promiscuous mode
[  436.817483] br0: port 1(c1) entered disabled state
[  436.839104] br0: port 2(c2) entered disabled state
[  436.839294] c2 (unregistering): left allmulticast mode
[  436.839327] c2 (unregistering): left promiscuous mode
[  436.839362] br0: port 2(c2) entered disabled state
[  436.860890] br0: port 4(sender) entered disabled state
[  436.860988] br0: port 3(c3) entered disabled state
[  436.861189] sender (unregistering): left allmulticast mode
[  436.861227] sender (unregistering): left promiscuous mode
[  436.861263] br0: port 4(sender) entered disabled state
[  436.861552] c3 (unregistering): left allmulticast mode
[  436.861581] c3 (unregistering): left promiscuous mode
[  436.861611] br0: port 3(c3) entered disabled state