[  550.508516] br0: port 1(c1) entered blocking state
[  550.508585] br0: port 1(c1) entered disabled state
[  550.508647] c1: entered allmulticast mode
[  550.508726] c1: entered promiscuous mode
[  550.591877] br0: port 2(c2) entered blocking state
[  550.591951] br0: port 2(c2) entered disabled state
[  550.592022] c2: entered allmulticast mode
[  550.592106] c2: entered promiscuous mode
[  550.671452] br0: port 3(c3) entered blocking state
[  550.671522] br0: port 3(c3) entered disabled state
[  550.671576] c3: entered allmulticast mode
[  550.671647] c3: entered promiscuous mode
[  550.747927] br0: port 4(sender) entered blocking state
[  550.747987] br0: port 4(sender) entered disabled state
[  550.748040] sender: entered allmulticast mode
[  550.748124] sender: entered promiscuous mode
[  550.776060] br0: port 4(sender) entered blocking state
[  550.776122] br0: port 4(sender) entered forwarding state
[  550.776160] br0: port 3(c3) entered blocking state
[  550.776200] br0: port 3(c3) entered forwarding state
[  550.776239] br0: port 2(c2) entered blocking state
[  550.776274] br0: port 2(c2) entered forwarding state
[  550.776313] br0: port 1(c1) entered blocking state
[  550.776358] br0: port 1(c1) entered forwarding state
[  561.548974] br0: port 1(c1) entered disabled state
[  561.549282] c1 (unregistering): left allmulticast mode
[  561.549330] c1 (unregistering): left promiscuous mode
[  561.549381] br0: port 1(c1) entered disabled state
[  561.609906] br0: port 2(c2) entered disabled state
[  561.610166] c2 (unregistering): left allmulticast mode
[  561.610212] c2 (unregistering): left promiscuous mode
[  561.610249] br0: port 2(c2) entered disabled state
[  561.675900] br0: port 3(c3) entered disabled state
[  561.676159] c3 (unregistering): left allmulticast mode
[  561.676209] c3 (unregistering): left promiscuous mode
[  561.676248] br0: port 3(c3) entered disabled state
[  561.736944] br0: port 4(sender) entered disabled state
[  561.737504] sender (unregistering): left allmulticast mode
[  561.737561] sender (unregistering): left promiscuous mode
[  561.737609] br0: port 4(sender) entered disabled state