[  407.291614] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  407.304413] br0: port 1(c1) entered blocking state
[  407.304478] br0: port 1(c1) entered disabled state
[  407.304538] c1: entered allmulticast mode
[  407.304631] c1: entered promiscuous mode
[  407.316881] br0: port 2(c2) entered blocking state
[  407.316915] br0: port 2(c2) entered disabled state
[  407.316943] c2: entered allmulticast mode
[  407.316990] c2: entered promiscuous mode
[  407.328861] br0: port 3(c3) entered blocking state
[  407.328892] br0: port 3(c3) entered disabled state
[  407.328921] c3: entered allmulticast mode
[  407.328966] c3: entered promiscuous mode
[  407.340632] br0: port 4(sender) entered blocking state
[  407.340690] br0: port 4(sender) entered disabled state
[  407.340748] sender: entered allmulticast mode
[  407.340836] sender: entered promiscuous mode
[  407.345363] br0: port 4(sender) entered blocking state
[  407.345421] br0: port 4(sender) entered forwarding state
[  407.345479] br0: port 3(c3) entered blocking state
[  407.345534] br0: port 3(c3) entered forwarding state
[  407.345592] br0: port 2(c2) entered blocking state
[  407.345647] br0: port 2(c2) entered forwarding state
[  407.345705] br0: port 1(c1) entered blocking state
[  407.345760] br0: port 1(c1) entered forwarding state
[  407.352396] Bridge firewalling registered
[  417.981976] br0: port 1(c1) entered disabled state
[  417.982132] c1 (unregistering): left allmulticast mode
[  417.982159] c1 (unregistering): left promiscuous mode
[  417.982190] br0: port 1(c1) entered disabled state
[  418.010932] br0: port 3(c3) entered disabled state
[  418.011006] br0: port 2(c2) entered disabled state
[  418.011143] c3 (unregistering): left allmulticast mode
[  418.011172] c3 (unregistering): left promiscuous mode
[  418.011198] br0: port 3(c3) entered disabled state
[  418.011390] c2 (unregistering): left allmulticast mode
[  418.011418] c2 (unregistering): left promiscuous mode
[  418.011440] br0: port 2(c2) entered disabled state
[  418.032988] sender: left allmulticast mode
[  418.033013] sender: left promiscuous mode
[  418.033043] br0: port 4(sender) entered disabled state