[ 1990.907408][T10463] br0: port 1(dummy0) entered blocking state
[ 1990.907616][T10463] br0: port 1(dummy0) entered disabled state
[ 1990.907780][T10463] dummy0: entered allmulticast mode
[ 1990.914229][T10463] dummy0: entered promiscuous mode
[ 1990.938637][T10464] br0: port 1(dummy0) entered blocking state
[ 1990.939311][T10464] br0: port 1(dummy0) entered forwarding state
[ 1992.847608][   T66] dummy0: left allmulticast mode
[ 1992.848497][   T66] dummy0: left promiscuous mode
[ 1992.848735][   T66] br0: port 1(dummy0) entered disabled state