[ 1953.810855][T17577] br0: port 1(dummy0) entered blocking state
[ 1953.811102][T17577] br0: port 1(dummy0) entered disabled state
[ 1953.811661][T17577] dummy0: entered allmulticast mode
[ 1953.812730][T17577] dummy0: entered promiscuous mode
[ 1953.842591][T17578] br0: port 1(dummy0) entered blocking state
[ 1953.842875][T17578] br0: port 1(dummy0) entered forwarding state
[ 1955.808888][   T68] dummy0: left allmulticast mode
[ 1955.809176][   T68] dummy0: left promiscuous mode
[ 1955.809401][   T68] br0: port 1(dummy0) entered disabled state