[  407.994843] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  408.013656] br0: port 1(c1) entered blocking state
[  408.013702] br0: port 1(c1) entered disabled state
[  408.013737] c1: entered allmulticast mode
[  408.013781] c1: entered promiscuous mode
[  408.029017] br0: port 2(c2) entered blocking state
[  408.029085] br0: port 2(c2) entered disabled state
[  408.029150] c2: entered allmulticast mode
[  408.029225] c2: entered promiscuous mode
[  408.044186] br0: port 3(c3) entered blocking state
[  408.044225] br0: port 3(c3) entered disabled state
[  408.044257] c3: entered allmulticast mode
[  408.044300] c3: entered promiscuous mode
[  408.059149] br0: port 4(sender) entered blocking state
[  408.059185] br0: port 4(sender) entered disabled state
[  408.059217] sender: entered allmulticast mode
[  408.059264] sender: entered promiscuous mode
[  408.065016] br0: port 4(sender) entered blocking state
[  408.065056] br0: port 4(sender) entered forwarding state
[  408.065091] br0: port 3(c3) entered blocking state
[  408.065131] br0: port 3(c3) entered forwarding state
[  408.065159] br0: port 2(c2) entered blocking state
[  408.065189] br0: port 2(c2) entered forwarding state
[  408.065220] br0: port 1(c1) entered blocking state
[  408.065255] br0: port 1(c1) entered forwarding state
[  408.073513] Bridge firewalling registered
[  418.689068] br0: port 1(c1) entered disabled state
[  418.689233] c1 (unregistering): left allmulticast mode
[  418.689274] c1 (unregistering): left promiscuous mode
[  418.689318] br0: port 1(c1) entered disabled state
[  418.712052] br0: port 2(c2) entered disabled state
[  418.712197] c2 (unregistering): left allmulticast mode
[  418.712238] c2 (unregistering): left promiscuous mode
[  418.712271] br0: port 2(c2) entered disabled state
[  418.737049] br0: port 4(sender) entered disabled state
[  418.737141] br0: port 3(c3) entered disabled state
[  418.737278] sender (unregistering): left allmulticast mode
[  418.737325] sender (unregistering): left promiscuous mode
[  418.737359] br0: port 4(sender) entered disabled state
[  418.737560] c3 (unregistering): left allmulticast mode
[  418.737608] c3 (unregistering): left promiscuous mode
[  418.737642] br0: port 3(c3) entered disabled state