[   10.571714] br0: port 1(c1) entered blocking state
[   10.571791] br0: port 1(c1) entered disabled state
[   10.571853] c1: entered allmulticast mode
[   10.571933] c1: entered promiscuous mode
[   10.584218] br0: port 2(c2) entered blocking state
[   10.584254] br0: port 2(c2) entered disabled state
[   10.584287] c2: entered allmulticast mode
[   10.584323] c2: entered promiscuous mode
[   10.596601] br0: port 3(c3) entered blocking state
[   10.596661] br0: port 3(c3) entered disabled state
[   10.596734] c3: entered allmulticast mode
[   10.596809] c3: entered promiscuous mode
[   10.609057] br0: port 4(sender) entered blocking state
[   10.609092] br0: port 4(sender) entered disabled state
[   10.609125] sender: entered allmulticast mode
[   10.609170] sender: entered promiscuous mode
[   10.613949] br0: port 4(sender) entered blocking state
[   10.614016] br0: port 4(sender) entered forwarding state
[   10.614082] br0: port 3(c3) entered blocking state
[   10.614144] br0: port 3(c3) entered forwarding state
[   10.614212] br0: port 2(c2) entered blocking state
[   10.614274] br0: port 2(c2) entered forwarding state
[   10.614338] br0: port 1(c1) entered blocking state
[   10.614400] br0: port 1(c1) entered forwarding state
[   21.276933] br0: port 1(c1) entered disabled state
[   21.277361] c1 (unregistering): left allmulticast mode
[   21.277429] c1 (unregistering): left promiscuous mode
[   21.277461] br0: port 1(c1) entered disabled state
[   21.301783] br0: port 3(c3) entered disabled state
[   21.301859] br0: port 2(c2) entered disabled state
[   21.302139] c3 (unregistering): left allmulticast mode
[   21.302205] c3 (unregistering): left promiscuous mode
[   21.302237] br0: port 3(c3) entered disabled state
[   21.302501] c2 (unregistering): left allmulticast mode
[   21.302540] c2 (unregistering): left promiscuous mode
[   21.302567] br0: port 2(c2) entered disabled state
[   21.317752] sender: left allmulticast mode
[   21.317814] sender: left promiscuous mode
[   21.317849] br0: port 4(sender) entered disabled state