[ 1959.585043][ T8064] br0: port 1(dummy0) entered blocking state
[ 1959.585233][ T8064] br0: port 1(dummy0) entered disabled state
[ 1959.585419][ T8064] dummy0: entered allmulticast mode
[ 1959.586280][ T8064] dummy0: entered promiscuous mode
[ 1959.619421][ T8065] br0: port 1(dummy0) entered blocking state
[ 1959.619683][ T8065] br0: port 1(dummy0) entered forwarding state
[ 1961.570494][   T68] dummy0: left allmulticast mode
[ 1961.571091][   T68] dummy0: left promiscuous mode
[ 1961.571330][   T68] br0: port 1(dummy0) entered disabled state