[  755.505405] br0: port 1(c1) entered blocking state
[  755.505471] br0: port 1(c1) entered disabled state
[  755.505528] c1: entered allmulticast mode
[  755.505611] c1: entered promiscuous mode
[  755.571614] br0: port 2(c2) entered blocking state
[  755.571692] br0: port 2(c2) entered disabled state
[  755.571763] c2: entered allmulticast mode
[  755.571857] c2: entered promiscuous mode
[  755.637955] br0: port 3(c3) entered blocking state
[  755.638029] br0: port 3(c3) entered disabled state
[  755.638102] c3: entered allmulticast mode
[  755.638185] c3: entered promiscuous mode
[  755.702034] br0: port 4(sender) entered blocking state
[  755.702096] br0: port 4(sender) entered disabled state
[  755.702161] sender: entered allmulticast mode
[  755.702268] sender: entered promiscuous mode
[  755.726947] br0: port 4(sender) entered blocking state
[  755.727030] br0: port 4(sender) entered forwarding state
[  755.727095] br0: port 3(c3) entered blocking state
[  755.727160] br0: port 3(c3) entered forwarding state
[  755.727223] br0: port 2(c2) entered blocking state
[  755.727288] br0: port 2(c2) entered forwarding state
[  755.727352] br0: port 1(c1) entered blocking state
[  755.727411] br0: port 1(c1) entered forwarding state
[  766.484601] br0: port 1(c1) entered disabled state
[  766.485104] c1 (unregistering): left allmulticast mode
[  766.485182] c1 (unregistering): left promiscuous mode
[  766.485252] br0: port 1(c1) entered disabled state
[  766.527469] br0: port 2(c2) entered disabled state
[  766.528041] c2 (unregistering): left allmulticast mode
[  766.528152] c2 (unregistering): left promiscuous mode
[  766.528223] br0: port 2(c2) entered disabled state
[  766.566518] br0: port 3(c3) entered disabled state
[  766.566946] c3 (unregistering): left allmulticast mode
[  766.567363] c3 (unregistering): left promiscuous mode
[  766.567440] br0: port 3(c3) entered disabled state
[  766.609475] br0: port 4(sender) entered disabled state
[  766.609867] sender (unregistering): left allmulticast mode
[  766.609951] sender (unregistering): left promiscuous mode
[  766.610015] br0: port 4(sender) entered disabled state