[ 2009.209404][T10056] br0: port 1(dummy0) entered blocking state
[ 2009.209648][T10056] br0: port 1(dummy0) entered disabled state
[ 2009.209866][T10056] dummy0: entered allmulticast mode
[ 2009.210787][T10056] dummy0: entered promiscuous mode
[ 2009.245305][T10057] br0: port 1(dummy0) entered blocking state
[ 2009.246042][T10057] br0: port 1(dummy0) entered forwarding state
[ 2011.497416][   T70] dummy0: left allmulticast mode
[ 2011.498221][   T70] dummy0: left promiscuous mode
[ 2011.498512][   T70] br0: port 1(dummy0) entered disabled state