[ 1865.493406][T28766] br0: port 1(dummy0) entered blocking state
[ 1865.493612][T28766] br0: port 1(dummy0) entered disabled state
[ 1865.493795][T28766] dummy0: entered allmulticast mode
[ 1865.494711][T28766] dummy0: entered promiscuous mode
[ 1865.514976][T28767] br0: port 1(dummy0) entered blocking state
[ 1865.515308][T28767] br0: port 1(dummy0) entered forwarding state
[ 1867.259158][   T12] dummy0: left allmulticast mode
[ 1867.259327][   T12] dummy0: left promiscuous mode
[ 1867.259540][   T12] br0: port 1(dummy0) entered disabled state