[ 2034.955859][T10859] br0: port 1(dummy0) entered blocking state
[ 2034.956553][T10859] br0: port 1(dummy0) entered disabled state
[ 2034.956722][T10859] dummy0: entered allmulticast mode
[ 2034.958221][T10859] dummy0: entered promiscuous mode
[ 2034.988244][T10860] br0: port 1(dummy0) entered blocking state
[ 2034.988504][T10860] br0: port 1(dummy0) entered forwarding state
[ 2036.981625][   T12] dummy0: left allmulticast mode
[ 2036.982706][   T12] dummy0: left promiscuous mode
[ 2036.982938][   T12] br0: port 1(dummy0) entered disabled state