[ 1970.358400][T24703] br0: port 1(dummy0) entered blocking state
[ 1970.358634][T24703] br0: port 1(dummy0) entered disabled state
[ 1970.358848][T24703] dummy0: entered allmulticast mode
[ 1970.359774][T24703] dummy0: entered promiscuous mode
[ 1970.382848][T24704] br0: port 1(dummy0) entered blocking state
[ 1970.383026][T24704] br0: port 1(dummy0) entered forwarding state
[ 1972.360787][   T12] dummy0: left allmulticast mode
[ 1972.361873][   T12] dummy0: left promiscuous mode
[ 1972.362107][   T12] br0: port 1(dummy0) entered disabled state