[  412.974635] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  412.990454] br0: port 1(c1) entered blocking state
[  412.990494] br0: port 1(c1) entered disabled state
[  412.990533] c1: entered allmulticast mode
[  412.990585] c1: entered promiscuous mode
[  413.004863] br0: port 2(c2) entered blocking state
[  413.004898] br0: port 2(c2) entered disabled state
[  413.004929] c2: entered allmulticast mode
[  413.004991] c2: entered promiscuous mode
[  413.018852] br0: port 3(c3) entered blocking state
[  413.018884] br0: port 3(c3) entered disabled state
[  413.018915] c3: entered allmulticast mode
[  413.018977] c3: entered promiscuous mode
[  413.033300] br0: port 4(sender) entered blocking state
[  413.033339] br0: port 4(sender) entered disabled state
[  413.033378] sender: entered allmulticast mode
[  413.033433] sender: entered promiscuous mode
[  413.039019] br0: port 4(sender) entered blocking state
[  413.039058] br0: port 4(sender) entered forwarding state
[  413.039089] br0: port 3(c3) entered blocking state
[  413.039118] br0: port 3(c3) entered forwarding state
[  413.039146] br0: port 2(c2) entered blocking state
[  413.039176] br0: port 2(c2) entered forwarding state
[  413.039212] br0: port 1(c1) entered blocking state
[  413.039240] br0: port 1(c1) entered forwarding state
[  413.047004] Bridge firewalling registered
[  423.657082] br0: port 1(c1) entered disabled state
[  423.657354] c1 (unregistering): left allmulticast mode
[  423.657455] c1 (unregistering): left promiscuous mode
[  423.657555] br0: port 1(c1) entered disabled state
[  423.686044] br0: port 2(c2) entered disabled state
[  423.686308] c2 (unregistering): left allmulticast mode
[  423.686372] c2 (unregistering): left promiscuous mode
[  423.686438] br0: port 2(c2) entered disabled state
[  423.710062] br0: port 4(sender) entered disabled state
[  423.710210] br0: port 3(c3) entered disabled state
[  423.710422] sender (unregistering): left allmulticast mode
[  423.710482] sender (unregistering): left promiscuous mode
[  423.710552] br0: port 4(sender) entered disabled state
[  423.710811] c3 (unregistering): left allmulticast mode
[  423.710878] c3 (unregistering): left promiscuous mode
[  423.710939] br0: port 3(c3) entered disabled state