[ 1982.355626][T29822] br0: port 1(dummy0) entered blocking state
[ 1982.355855][T29822] br0: port 1(dummy0) entered disabled state
[ 1982.356066][T29822] dummy0: entered allmulticast mode
[ 1982.357509][T29822] dummy0: entered promiscuous mode
[ 1982.391042][T29823] br0: port 1(dummy0) entered blocking state
[ 1982.391256][T29823] br0: port 1(dummy0) entered forwarding state
[ 1984.246684][   T67] dummy0: left allmulticast mode
[ 1984.247068][   T67] dummy0: left promiscuous mode
[ 1984.247372][   T67] br0: port 1(dummy0) entered disabled state