[ 1932.171675][ T5082] br0: port 1(dummy0) entered blocking state
[ 1932.171871][ T5082] br0: port 1(dummy0) entered disabled state
[ 1932.172033][ T5082] dummy0: entered allmulticast mode
[ 1932.172885][ T5082] dummy0: entered promiscuous mode
[ 1932.200816][ T5083] br0: port 1(dummy0) entered blocking state
[ 1932.201236][ T5083] br0: port 1(dummy0) entered forwarding state
[ 1934.143359][   T12] dummy0: left allmulticast mode
[ 1934.144271][   T12] dummy0: left promiscuous mode
[ 1934.144514][   T12] br0: port 1(dummy0) entered disabled state