[    9.797801][  T212] br0: port 1(dummy0) entered blocking state
[    9.798115][  T212] br0: port 1(dummy0) entered disabled state
[    9.798423][  T212] dummy0: entered allmulticast mode
[    9.799707][  T212] dummy0: entered promiscuous mode
[    9.828514][  T213] br0: port 1(dummy0) entered blocking state
[    9.828917][  T213] br0: port 1(dummy0) entered forwarding state
[   12.276772][   T12] dummy0: left allmulticast mode
[   12.277358][   T12] dummy0: left promiscuous mode
[   12.277774][   T12] br0: port 1(dummy0) entered disabled state