[  500.103766] br0: port 1(c1) entered blocking state
[  500.103892] br0: port 1(c1) entered disabled state
[  500.103987] c1: entered allmulticast mode
[  500.104098] c1: entered promiscuous mode
[  500.159940] br0: port 2(c2) entered blocking state
[  500.160047] br0: port 2(c2) entered disabled state
[  500.160149] c2: entered allmulticast mode
[  500.160260] c2: entered promiscuous mode
[  500.216215] br0: port 3(c3) entered blocking state
[  500.216307] br0: port 3(c3) entered disabled state
[  500.216377] c3: entered allmulticast mode
[  500.216462] c3: entered promiscuous mode
[  500.270774] br0: port 4(sender) entered blocking state
[  500.270859] br0: port 4(sender) entered disabled state
[  500.270927] sender: entered allmulticast mode
[  500.271035] sender: entered promiscuous mode
[  500.291951] br0: port 4(sender) entered blocking state
[  500.292040] br0: port 4(sender) entered forwarding state
[  500.292107] br0: port 3(c3) entered blocking state
[  500.292164] br0: port 3(c3) entered forwarding state
[  500.292215] br0: port 2(c2) entered blocking state
[  500.292268] br0: port 2(c2) entered forwarding state
[  500.292323] br0: port 1(c1) entered blocking state
[  500.292379] br0: port 1(c1) entered forwarding state
[  511.002269] br0: port 1(c1) entered disabled state
[  511.002707] c1 (unregistering): left allmulticast mode
[  511.002829] c1 (unregistering): left promiscuous mode
[  511.002879] br0: port 1(c1) entered disabled state
[  511.047229] br0: port 2(c2) entered disabled state
[  511.047612] c2 (unregistering): left allmulticast mode
[  511.047687] c2 (unregistering): left promiscuous mode
[  511.047730] br0: port 2(c2) entered disabled state
[  511.095319] br0: port 3(c3) entered disabled state
[  511.095771] c3 (unregistering): left allmulticast mode
[  511.095838] c3 (unregistering): left promiscuous mode
[  511.095895] br0: port 3(c3) entered disabled state
[  511.149237] br0: port 4(sender) entered disabled state
[  511.149861] sender (unregistering): left allmulticast mode
[  511.149933] sender (unregistering): left promiscuous mode
[  511.149979] br0: port 4(sender) entered disabled state