[  720.791350] br0: port 1(c1) entered blocking state
[  720.791458] br0: port 1(c1) entered disabled state
[  720.791523] c1: entered allmulticast mode
[  720.791632] c1: entered promiscuous mode
[  720.856572] br0: port 2(c2) entered blocking state
[  720.856664] br0: port 2(c2) entered disabled state
[  720.856745] c2: entered allmulticast mode
[  720.856843] c2: entered promiscuous mode
[  720.921484] br0: port 3(c3) entered blocking state
[  720.921629] br0: port 3(c3) entered disabled state
[  720.921741] c3: entered allmulticast mode
[  720.921880] c3: entered promiscuous mode
[  720.989733] br0: port 4(sender) entered blocking state
[  720.989799] br0: port 4(sender) entered disabled state
[  720.989859] sender: entered allmulticast mode
[  720.989948] sender: entered promiscuous mode
[  721.015095] br0: port 4(sender) entered blocking state
[  721.015167] br0: port 4(sender) entered forwarding state
[  721.015227] br0: port 3(c3) entered blocking state
[  721.015275] br0: port 3(c3) entered forwarding state
[  721.015326] br0: port 2(c2) entered blocking state
[  721.015381] br0: port 2(c2) entered forwarding state
[  721.015434] br0: port 1(c1) entered blocking state
[  721.015481] br0: port 1(c1) entered forwarding state
[  731.809547] br0: port 1(c1) entered disabled state
[  731.809831] c1 (unregistering): left allmulticast mode
[  731.809904] c1 (unregistering): left promiscuous mode
[  731.809967] br0: port 1(c1) entered disabled state
[  731.859642] br0: port 2(c2) entered disabled state
[  731.860070] c2 (unregistering): left allmulticast mode
[  731.860139] c2 (unregistering): left promiscuous mode
[  731.860204] br0: port 2(c2) entered disabled state
[  731.914595] br0: port 3(c3) entered disabled state
[  731.914917] c3 (unregistering): left allmulticast mode
[  731.915028] c3 (unregistering): left promiscuous mode
[  731.915075] br0: port 3(c3) entered disabled state
[  731.959682] br0: port 4(sender) entered disabled state
[  731.960102] sender (unregistering): left allmulticast mode
[  731.960173] sender (unregistering): left promiscuous mode
[  731.960231] br0: port 4(sender) entered disabled state