[  908.478177][T31307] br0: port 1(c1) entered blocking state
[  908.478366][T31307] br0: port 1(c1) entered disabled state
[  908.478540][T31307] c1: entered allmulticast mode
[  908.479979][T31307] c1: entered promiscuous mode
[  908.615103][T31312] br0: port 2(c2) entered blocking state
[  908.615323][T31312] br0: port 2(c2) entered disabled state
[  908.615689][T31312] c2: entered allmulticast mode
[  908.617194][T31312] c2: entered promiscuous mode
[  908.759419][T31317] br0: port 3(c3) entered blocking state
[  908.759633][T31317] br0: port 3(c3) entered disabled state
[  908.759859][T31317] c3: entered allmulticast mode
[  908.761375][T31317] c3: entered promiscuous mode
[  908.895782][T31322] br0: port 4(sender) entered blocking state
[  908.896020][T31322] br0: port 4(sender) entered disabled state
[  908.896268][T31322] sender: entered allmulticast mode
[  908.898125][T31322] sender: entered promiscuous mode
[  908.942130][T31324] br0: port 4(sender) entered blocking state
[  908.942368][T31324] br0: port 4(sender) entered forwarding state
[  908.942831][T31324] br0: port 3(c3) entered blocking state
[  908.943025][T31324] br0: port 3(c3) entered forwarding state
[  908.943380][T31324] br0: port 2(c2) entered blocking state
[  908.943584][T31324] br0: port 2(c2) entered forwarding state
[  908.943937][T31324] br0: port 1(c1) entered blocking state
[  908.944134][T31324] br0: port 1(c1) entered forwarding state
[  920.040756][   T12] br0: port 1(c1) entered disabled state
[  920.052098][   T12] c1 (unregistering): left allmulticast mode
[  920.052320][   T12] c1 (unregistering): left promiscuous mode
[  920.052498][   T12] br0: port 1(c1) entered disabled state
[  920.197063][   T12] br0: port 2(c2) entered disabled state
[  920.218144][   T12] c2 (unregistering): left allmulticast mode
[  920.219239][   T12] c2 (unregistering): left promiscuous mode
[  920.219456][   T12] br0: port 2(c2) entered disabled state
[  920.336700][   T12] br0: port 3(c3) entered disabled state
[  920.347281][   T12] c3 (unregistering): left allmulticast mode
[  920.347489][   T12] c3 (unregistering): left promiscuous mode
[  920.347668][   T12] br0: port 3(c3) entered disabled state
[  920.475668][   T12] br0: port 4(sender) entered disabled state
[  920.485452][   T12] sender (unregistering): left allmulticast mode
[  920.486670][   T12] sender (unregistering): left promiscuous mode
[  920.486844][   T12] br0: port 4(sender) entered disabled state