[ 1949.449466][T31428] br0: port 1(dummy0) entered blocking state
[ 1949.449655][T31428] br0: port 1(dummy0) entered disabled state
[ 1949.449818][T31428] dummy0: entered allmulticast mode
[ 1949.450696][T31428] dummy0: entered promiscuous mode
[ 1949.476341][T31429] br0: port 1(dummy0) entered blocking state
[ 1949.476676][T31429] br0: port 1(dummy0) entered forwarding state
[ 1951.486888][   T12] dummy0: left allmulticast mode
[ 1951.487985][   T12] dummy0: left promiscuous mode
[ 1951.488302][   T12] br0: port 1(dummy0) entered disabled state