[  406.974165] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  406.988322] br0: port 1(c1) entered blocking state
[  406.988396] br0: port 1(c1) entered disabled state
[  406.988462] c1: entered allmulticast mode
[  406.988542] c1: entered promiscuous mode
[  407.001089] br0: port 2(c2) entered blocking state
[  407.001156] br0: port 2(c2) entered disabled state
[  407.001235] c2: entered allmulticast mode
[  407.001310] c2: entered promiscuous mode
[  407.013850] br0: port 3(c3) entered blocking state
[  407.013898] br0: port 3(c3) entered disabled state
[  407.013942] c3: entered allmulticast mode
[  407.013991] c3: entered promiscuous mode
[  407.026621] br0: port 4(sender) entered blocking state
[  407.026668] br0: port 4(sender) entered disabled state
[  407.026711] sender: entered allmulticast mode
[  407.026774] sender: entered promiscuous mode
[  407.031702] br0: port 4(sender) entered blocking state
[  407.031775] br0: port 4(sender) entered forwarding state
[  407.031846] br0: port 3(c3) entered blocking state
[  407.031912] br0: port 3(c3) entered forwarding state
[  407.031981] br0: port 2(c2) entered blocking state
[  407.032056] br0: port 2(c2) entered forwarding state
[  407.032125] br0: port 1(c1) entered blocking state
[  407.032199] br0: port 1(c1) entered forwarding state
[  407.039325] Bridge firewalling registered
[  417.710104] br0: port 1(c1) entered disabled state
[  417.710299] c1 (unregistering): left allmulticast mode
[  417.710365] c1 (unregistering): left promiscuous mode
[  417.710428] br0: port 1(c1) entered disabled state
[  417.726092] br0: port 2(c2) entered disabled state
[  417.726254] c2 (unregistering): left allmulticast mode
[  417.726341] c2 (unregistering): left promiscuous mode
[  417.726412] br0: port 2(c2) entered disabled state
[  417.751104] br0: port 4(sender) entered disabled state
[  417.751215] br0: port 3(c3) entered disabled state
[  417.751408] sender (unregistering): left allmulticast mode
[  417.751473] sender (unregistering): left promiscuous mode
[  417.751536] br0: port 4(sender) entered disabled state
[  417.751755] c3 (unregistering): left allmulticast mode
[  417.751831] c3 (unregistering): left promiscuous mode
[  417.751931] br0: port 3(c3) entered disabled state