[  748.600058] br0: port 1(c1) entered blocking state
[  748.600121] br0: port 1(c1) entered disabled state
[  748.600195] c1: entered allmulticast mode
[  748.600281] c1: entered promiscuous mode
[  748.647856] br0: port 2(c2) entered blocking state
[  748.647928] br0: port 2(c2) entered disabled state
[  748.648000] c2: entered allmulticast mode
[  748.648095] c2: entered promiscuous mode
[  748.701918] br0: port 3(c3) entered blocking state
[  748.701993] br0: port 3(c3) entered disabled state
[  748.702072] c3: entered allmulticast mode
[  748.702164] c3: entered promiscuous mode
[  748.756194] br0: port 4(sender) entered blocking state
[  748.756258] br0: port 4(sender) entered disabled state
[  748.756316] sender: entered allmulticast mode
[  748.756411] sender: entered promiscuous mode
[  748.778137] br0: port 4(sender) entered blocking state
[  748.778236] br0: port 4(sender) entered forwarding state
[  748.778300] br0: port 3(c3) entered blocking state
[  748.778355] br0: port 3(c3) entered forwarding state
[  748.778413] br0: port 2(c2) entered blocking state
[  748.778465] br0: port 2(c2) entered forwarding state
[  748.778519] br0: port 1(c1) entered blocking state
[  748.778572] br0: port 1(c1) entered forwarding state
[  759.527171] br0: port 1(c1) entered disabled state
[  759.527535] c1 (unregistering): left allmulticast mode
[  759.527586] c1 (unregistering): left promiscuous mode
[  759.527619] br0: port 1(c1) entered disabled state
[  759.580150] br0: port 2(c2) entered disabled state
[  759.580465] c2 (unregistering): left allmulticast mode
[  759.580529] c2 (unregistering): left promiscuous mode
[  759.580571] br0: port 2(c2) entered disabled state
[  759.627169] br0: port 3(c3) entered disabled state
[  759.627489] c3 (unregistering): left allmulticast mode
[  759.627546] c3 (unregistering): left promiscuous mode
[  759.627593] br0: port 3(c3) entered disabled state
[  759.671135] br0: port 4(sender) entered disabled state
[  759.671458] sender (unregistering): left allmulticast mode
[  759.671522] sender (unregistering): left promiscuous mode
[  759.671561] br0: port 4(sender) entered disabled state