[ 2107.137717][T18289] br0: port 1(dummy0) entered blocking state
[ 2107.137962][T18289] br0: port 1(dummy0) entered disabled state
[ 2107.138177][T18289] dummy0: entered allmulticast mode
[ 2107.139250][T18289] dummy0: entered promiscuous mode
[ 2107.163095][T18290] br0: port 1(dummy0) entered blocking state
[ 2107.163362][T18290] br0: port 1(dummy0) entered forwarding state
[ 2109.186510][   T70] dummy0: left allmulticast mode
[ 2109.187666][   T70] dummy0: left promiscuous mode
[ 2109.187909][   T70] br0: port 1(dummy0) entered disabled state