[  388.973523] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  388.989081] br0: port 1(c1) entered blocking state
[  388.989177] br0: port 1(c1) entered disabled state
[  388.989281] c1: entered allmulticast mode
[  388.989370] c1: entered promiscuous mode
[  389.003016] br0: port 2(c2) entered blocking state
[  389.003061] br0: port 2(c2) entered disabled state
[  389.003092] c2: entered allmulticast mode
[  389.003134] c2: entered promiscuous mode
[  389.016580] br0: port 3(c3) entered blocking state
[  389.016668] br0: port 3(c3) entered disabled state
[  389.016739] c3: entered allmulticast mode
[  389.016829] c3: entered promiscuous mode
[  389.030528] br0: port 4(sender) entered blocking state
[  389.030605] br0: port 4(sender) entered disabled state
[  389.030645] sender: entered allmulticast mode
[  389.030694] sender: entered promiscuous mode
[  389.036158] br0: port 4(sender) entered blocking state
[  389.036239] br0: port 4(sender) entered forwarding state
[  389.036311] br0: port 3(c3) entered blocking state
[  389.036377] br0: port 3(c3) entered forwarding state
[  389.036446] br0: port 2(c2) entered blocking state
[  389.036512] br0: port 2(c2) entered forwarding state
[  389.036581] br0: port 1(c1) entered blocking state
[  389.036648] br0: port 1(c1) entered forwarding state
[  389.044207] Bridge firewalling registered
[  399.669019] br0: port 1(c1) entered disabled state
[  399.669191] c1 (unregistering): left allmulticast mode
[  399.669251] c1 (unregistering): left promiscuous mode
[  399.669289] br0: port 1(c1) entered disabled state
[  399.698860] br0: port 2(c2) entered disabled state
[  399.699049] c2 (unregistering): left allmulticast mode
[  399.699122] c2 (unregistering): left promiscuous mode
[  399.699166] br0: port 2(c2) entered disabled state
[  399.718862] br0: port 4(sender) entered disabled state
[  399.718959] br0: port 3(c3) entered disabled state
[  399.719120] sender (unregistering): left allmulticast mode
[  399.719162] sender (unregistering): left promiscuous mode
[  399.719202] br0: port 4(sender) entered disabled state
[  399.719427] c3 (unregistering): left allmulticast mode
[  399.719467] c3 (unregistering): left promiscuous mode
[  399.719500] br0: port 3(c3) entered disabled state