[ 2068.388152][ T8678] br0: port 1(dummy0) entered blocking state
[ 2068.388354][ T8678] br0: port 1(dummy0) entered disabled state
[ 2068.388521][ T8678] dummy0: entered allmulticast mode
[ 2068.389401][ T8678] dummy0: entered promiscuous mode
[ 2068.411927][ T8679] br0: port 1(dummy0) entered blocking state
[ 2068.412148][ T8679] br0: port 1(dummy0) entered forwarding state
[ 2071.001571][   T69] dummy0: left allmulticast mode
[ 2071.001864][   T69] dummy0: left promiscuous mode
[ 2071.002263][   T69] br0: port 1(dummy0) entered disabled state