[  912.372283][T31756] br0: port 1(c1) entered blocking state
[  912.372472][T31756] br0: port 1(c1) entered disabled state
[  912.372637][T31756] c1: entered allmulticast mode
[  912.374151][T31756] c1: entered promiscuous mode
[  912.510301][T31761] br0: port 2(c2) entered blocking state
[  912.510488][T31761] br0: port 2(c2) entered disabled state
[  912.510785][T31761] c2: entered allmulticast mode
[  912.512398][T31761] c2: entered promiscuous mode
[  912.653817][T31766] br0: port 3(c3) entered blocking state
[  912.654005][T31766] br0: port 3(c3) entered disabled state
[  912.654171][T31766] c3: entered allmulticast mode
[  912.655711][T31766] c3: entered promiscuous mode
[  912.805172][T31771] br0: port 4(sender) entered blocking state
[  912.805388][T31771] br0: port 4(sender) entered disabled state
[  912.805585][T31771] sender: entered allmulticast mode
[  912.807132][T31771] sender: entered promiscuous mode
[  912.853031][T31773] br0: port 4(sender) entered blocking state
[  912.853257][T31773] br0: port 4(sender) entered forwarding state
[  912.853587][T31773] br0: port 3(c3) entered blocking state
[  912.853746][T31773] br0: port 3(c3) entered forwarding state
[  912.854060][T31773] br0: port 2(c2) entered blocking state
[  912.854213][T31773] br0: port 2(c2) entered forwarding state
[  912.854517][T31773] br0: port 1(c1) entered blocking state
[  912.854670][T31773] br0: port 1(c1) entered forwarding state
[  923.850224][ T4743] br0: port 1(c1) entered disabled state
[  923.859855][ T4743] c1 (unregistering): left allmulticast mode
[  923.860111][ T4743] c1 (unregistering): left promiscuous mode
[  923.860363][ T4743] br0: port 1(c1) entered disabled state
[  923.981683][ T4743] br0: port 2(c2) entered disabled state
[  923.983861][ T4743] c2 (unregistering): left allmulticast mode
[  923.984057][ T4743] c2 (unregistering): left promiscuous mode
[  923.984230][ T4743] br0: port 2(c2) entered disabled state
[  924.093613][ T4743] br0: port 3(c3) entered disabled state
[  924.098458][ T4743] c3 (unregistering): left allmulticast mode
[  924.098750][ T4743] c3 (unregistering): left promiscuous mode
[  924.099496][ T4743] br0: port 3(c3) entered disabled state
[  924.221213][ T4743] br0: port 4(sender) entered disabled state
[  924.223602][ T4743] sender (unregistering): left allmulticast mode
[  924.223799][ T4743] sender (unregistering): left promiscuous mode
[  924.223984][ T4743] br0: port 4(sender) entered disabled state