[  744.429382] br0: port 1(c1) entered blocking state
[  744.429455] br0: port 1(c1) entered disabled state
[  744.429520] c1: entered allmulticast mode
[  744.429592] c1: entered promiscuous mode
[  744.488966] br0: port 2(c2) entered blocking state
[  744.489095] br0: port 2(c2) entered disabled state
[  744.489190] c2: entered allmulticast mode
[  744.489306] c2: entered promiscuous mode
[  744.554730] br0: port 3(c3) entered blocking state
[  744.554824] br0: port 3(c3) entered disabled state
[  744.554912] c3: entered allmulticast mode
[  744.555003] c3: entered promiscuous mode
[  744.619349] br0: port 4(sender) entered blocking state
[  744.619426] br0: port 4(sender) entered disabled state
[  744.619498] sender: entered allmulticast mode
[  744.619605] sender: entered promiscuous mode
[  744.644696] br0: port 4(sender) entered blocking state
[  744.644795] br0: port 4(sender) entered forwarding state
[  744.644863] br0: port 3(c3) entered blocking state
[  744.644936] br0: port 3(c3) entered forwarding state
[  744.644997] br0: port 2(c2) entered blocking state
[  744.645058] br0: port 2(c2) entered forwarding state
[  744.645113] br0: port 1(c1) entered blocking state
[  744.645160] br0: port 1(c1) entered forwarding state
[  755.394520] br0: port 1(c1) entered disabled state
[  755.394807] c1 (unregistering): left allmulticast mode
[  755.394853] c1 (unregistering): left promiscuous mode
[  755.394897] br0: port 1(c1) entered disabled state
[  755.442472] br0: port 2(c2) entered disabled state
[  755.442736] c2 (unregistering): left allmulticast mode
[  755.442787] c2 (unregistering): left promiscuous mode
[  755.442851] br0: port 2(c2) entered disabled state
[  755.487549] br0: port 3(c3) entered disabled state
[  755.487932] c3 (unregistering): left allmulticast mode
[  755.488002] c3 (unregistering): left promiscuous mode
[  755.488055] br0: port 3(c3) entered disabled state
[  755.534703] br0: port 4(sender) entered disabled state
[  755.534972] sender (unregistering): left allmulticast mode
[  755.535043] sender (unregistering): left promiscuous mode
[  755.535083] br0: port 4(sender) entered disabled state