[ 1926.928592][T10607] br0: port 1(dummy0) entered blocking state
[ 1926.928796][T10607] br0: port 1(dummy0) entered disabled state
[ 1926.928972][T10607] dummy0: entered allmulticast mode
[ 1926.929888][T10607] dummy0: entered promiscuous mode
[ 1926.955190][T10608] br0: port 1(dummy0) entered blocking state
[ 1926.955841][T10608] br0: port 1(dummy0) entered forwarding state
[ 1928.825920][   T12] dummy0: left allmulticast mode
[ 1928.826264][   T12] dummy0: left promiscuous mode
[ 1928.826557][   T12] br0: port 1(dummy0) entered disabled state