[ 1995.672740][T10383] br0: port 1(dummy0) entered blocking state
[ 1995.672927][T10383] br0: port 1(dummy0) entered disabled state
[ 1995.673094][T10383] dummy0: entered allmulticast mode
[ 1995.673969][T10383] dummy0: entered promiscuous mode
[ 1995.700984][T10384] br0: port 1(dummy0) entered blocking state
[ 1995.701296][T10384] br0: port 1(dummy0) entered forwarding state
[ 1997.737051][   T12] dummy0: left allmulticast mode
[ 1997.737348][   T12] dummy0: left promiscuous mode
[ 1997.737581][   T12] br0: port 1(dummy0) entered disabled state