[   11.953164] br0: port 1(c1) entered blocking state
[   11.953223] br0: port 1(c1) entered disabled state
[   11.953270] c1: entered allmulticast mode
[   11.953325] c1: entered promiscuous mode
[   11.966002] br0: port 2(c2) entered blocking state
[   11.966076] br0: port 2(c2) entered disabled state
[   11.966152] c2: entered allmulticast mode
[   11.966230] c2: entered promiscuous mode
[   11.978868] br0: port 3(c3) entered blocking state
[   11.978938] br0: port 3(c3) entered disabled state
[   11.979019] c3: entered allmulticast mode
[   11.979095] c3: entered promiscuous mode
[   11.991661] br0: port 4(sender) entered blocking state
[   11.991731] br0: port 4(sender) entered disabled state
[   11.991800] sender: entered allmulticast mode
[   11.991884] sender: entered promiscuous mode
[   11.996812] br0: port 4(sender) entered blocking state
[   11.996872] br0: port 4(sender) entered forwarding state
[   11.996933] br0: port 3(c3) entered blocking state
[   11.996997] br0: port 3(c3) entered forwarding state
[   11.997066] br0: port 2(c2) entered blocking state
[   11.997139] br0: port 2(c2) entered forwarding state
[   11.997207] br0: port 1(c1) entered blocking state
[   11.997272] br0: port 1(c1) entered forwarding state
[   22.672050] br0: port 1(c1) entered disabled state
[   22.672209] c1 (unregistering): left allmulticast mode
[   22.672253] c1 (unregistering): left promiscuous mode
[   22.672281] br0: port 1(c1) entered disabled state
[   22.692041] br0: port 2(c2) entered disabled state
[   22.692166] c2 (unregistering): left allmulticast mode
[   22.692200] c2 (unregistering): left promiscuous mode
[   22.692235] br0: port 2(c2) entered disabled state
[   22.716032] br0: port 4(sender) entered disabled state
[   22.716107] br0: port 3(c3) entered disabled state
[   22.716246] sender (unregistering): left allmulticast mode
[   22.716277] sender (unregistering): left promiscuous mode
[   22.716302] br0: port 4(sender) entered disabled state
[   22.716478] c3 (unregistering): left allmulticast mode
[   22.716509] c3 (unregistering): left promiscuous mode
[   22.716538] br0: port 3(c3) entered disabled state