[ 2188.410627][T15978] br0: port 1(dummy0) entered blocking state
[ 2188.410832][T15978] br0: port 1(dummy0) entered disabled state
[ 2188.411073][T15978] dummy0: entered allmulticast mode
[ 2188.413168][T15978] dummy0: entered promiscuous mode
[ 2188.445254][T15979] br0: port 1(dummy0) entered blocking state
[ 2188.445527][T15979] br0: port 1(dummy0) entered forwarding state
[ 2191.043361][   T12] dummy0: left allmulticast mode
[ 2191.044430][   T12] dummy0: left promiscuous mode
[ 2191.044869][   T12] br0: port 1(dummy0) entered disabled state