[  971.366465][T31147] br0: port 1(c1) entered blocking state
[  971.366655][T31147] br0: port 1(c1) entered disabled state
[  971.366815][T31147] c1: entered allmulticast mode
[  971.368232][T31147] c1: entered promiscuous mode
[  971.500926][T31152] br0: port 2(c2) entered blocking state
[  971.501157][T31152] br0: port 2(c2) entered disabled state
[  971.501370][T31152] c2: entered allmulticast mode
[  971.502847][T31152] c2: entered promiscuous mode
[  971.641823][T31157] br0: port 3(c3) entered blocking state
[  971.642094][T31157] br0: port 3(c3) entered disabled state
[  971.642500][T31157] c3: entered allmulticast mode
[  971.644039][T31157] c3: entered promiscuous mode
[  971.785539][T31162] br0: port 4(sender) entered blocking state
[  971.785800][T31162] br0: port 4(sender) entered disabled state
[  971.786047][T31162] sender: entered allmulticast mode
[  971.787605][T31162] sender: entered promiscuous mode
[  971.832902][T31164] br0: port 4(sender) entered blocking state
[  971.833138][T31164] br0: port 4(sender) entered forwarding state
[  971.833473][T31164] br0: port 3(c3) entered blocking state
[  971.833628][T31164] br0: port 3(c3) entered forwarding state
[  971.833927][T31164] br0: port 2(c2) entered blocking state
[  971.834081][T31164] br0: port 2(c2) entered forwarding state
[  971.834384][T31164] br0: port 1(c1) entered blocking state
[  971.834536][T31164] br0: port 1(c1) entered forwarding state
[  982.950043][   T12] br0: port 1(c1) entered disabled state
[  982.952652][   T12] c1 (unregistering): left allmulticast mode
[  982.952877][   T12] c1 (unregistering): left promiscuous mode
[  982.953061][   T12] br0: port 1(c1) entered disabled state
[  983.058740][   T12] br0: port 2(c2) entered disabled state
[  983.061095][   T12] c2 (unregistering): left allmulticast mode
[  983.061314][   T12] c2 (unregistering): left promiscuous mode
[  983.061504][   T12] br0: port 2(c2) entered disabled state
[  983.187952][   T12] br0: port 3(c3) entered disabled state
[  983.199304][   T12] c3 (unregistering): left allmulticast mode
[  983.199584][   T12] c3 (unregistering): left promiscuous mode
[  983.199824][   T12] br0: port 3(c3) entered disabled state
[  983.328527][   T12] br0: port 4(sender) entered disabled state
[  983.331732][   T12] sender (unregistering): left allmulticast mode
[  983.331918][   T12] sender (unregistering): left promiscuous mode
[  983.332091][   T12] br0: port 4(sender) entered disabled state