[   40.063633] br0: port 1(c1) entered blocking state
[   40.063695] br0: port 1(c1) entered disabled state
[   40.063773] c1: entered allmulticast mode
[   40.063832] c1: entered promiscuous mode
[   40.129182] br0: port 2(c2) entered blocking state
[   40.129232] br0: port 2(c2) entered disabled state
[   40.129277] c2: entered allmulticast mode
[   40.129337] c2: entered promiscuous mode
[   40.199150] br0: port 3(c3) entered blocking state
[   40.199218] br0: port 3(c3) entered disabled state
[   40.199267] c3: entered allmulticast mode
[   40.199328] c3: entered promiscuous mode
[   40.270216] br0: port 4(sender) entered blocking state
[   40.270269] br0: port 4(sender) entered disabled state
[   40.270311] sender: entered allmulticast mode
[   40.270375] sender: entered promiscuous mode
[   40.297250] br0: port 4(sender) entered blocking state
[   40.297303] br0: port 4(sender) entered forwarding state
[   40.297344] br0: port 3(c3) entered blocking state
[   40.297380] br0: port 3(c3) entered forwarding state
[   40.297417] br0: port 2(c2) entered blocking state
[   40.297449] br0: port 2(c2) entered forwarding state
[   40.297481] br0: port 1(c1) entered blocking state
[   40.297513] br0: port 1(c1) entered forwarding state
[   51.138953] br0: port 1(c1) entered disabled state
[   51.139250] c1 (unregistering): left allmulticast mode
[   51.139296] c1 (unregistering): left promiscuous mode
[   51.139339] br0: port 1(c1) entered disabled state
[   51.185895] br0: port 2(c2) entered disabled state
[   51.186089] c2 (unregistering): left allmulticast mode
[   51.186135] c2 (unregistering): left promiscuous mode
[   51.186176] br0: port 2(c2) entered disabled state
[   51.227923] br0: port 3(c3) entered disabled state
[   51.228136] c3 (unregistering): left allmulticast mode
[   51.228174] c3 (unregistering): left promiscuous mode
[   51.228213] br0: port 3(c3) entered disabled state
[   51.267892] br0: port 4(sender) entered disabled state
[   51.268071] sender (unregistering): left allmulticast mode
[   51.268109] sender (unregistering): left promiscuous mode
[   51.268148] br0: port 4(sender) entered disabled state