[ 1980.096044][T10249] br0: port 1(dummy0) entered blocking state
[ 1980.096243][T10249] br0: port 1(dummy0) entered disabled state
[ 1980.096420][T10249] dummy0: entered allmulticast mode
[ 1980.097414][T10249] dummy0: entered promiscuous mode
[ 1980.122933][T10250] br0: port 1(dummy0) entered blocking state
[ 1980.123230][T10250] br0: port 1(dummy0) entered forwarding state
[ 1981.990997][   T69] dummy0: left allmulticast mode
[ 1981.991303][   T69] dummy0: left promiscuous mode
[ 1981.991514][   T69] br0: port 1(dummy0) entered disabled state