[ 2074.185087][ T7203] br0: port 1(dummy0) entered blocking state
[ 2074.185288][ T7203] br0: port 1(dummy0) entered disabled state
[ 2074.185918][ T7203] dummy0: entered allmulticast mode
[ 2074.186982][ T7203] dummy0: entered promiscuous mode
[ 2074.210312][ T7204] br0: port 1(dummy0) entered blocking state
[ 2074.210616][ T7204] br0: port 1(dummy0) entered forwarding state
[ 2076.281764][   T12] dummy0: left allmulticast mode
[ 2076.282110][   T12] dummy0: left promiscuous mode
[ 2076.282405][   T12] br0: port 1(dummy0) entered disabled state